Home / 3,878,366.34-5,817,549.51-1,218,974.34

Finding the Fourth Proportional to 3,878,366.34, 5,817,549.51 and 1,218,974.34

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Solution

The fourth proportional to 3,878,366.34, 5,817,549.51 and 1,218,974.34 is: 1,828,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,366.34 : 5,817,549.51 = 1,218,974.34 : x
  2. Step 2: Convert to fraction form
    3,878,366.34/5,817,549.51 = 1,218,974.34/x
  3. Step 3: Cross multiply
    3,878,366.34x = 5,817,549.51 × 1,218,974.34
  4. Step 4: Simplify right side
    3,878,366.34x = 7,091,443,574,369.57
  5. Step 5: Solve for x
    x = 7,091,443,574,369.57/3,878,366.34
  6. Step 6: Final answer
    x = 1,828,461.51

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.