Home / 2,186,812.28-3,017,427.19-1,268,830.98

Finding the Fourth Proportional to 2,186,812.28, 3,017,427.19 and 1,268,830.98

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Solution

The fourth proportional to 2,186,812.28, 3,017,427.19 and 1,268,830.98 is: 1,750,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,812.28 : 3,017,427.19 = 1,268,830.98 : x
  2. Step 2: Convert to fraction form
    2,186,812.28/3,017,427.19 = 1,268,830.98/x
  3. Step 3: Cross multiply
    2,186,812.28x = 3,017,427.19 × 1,268,830.98
  4. Step 4: Simplify right side
    2,186,812.28x = 3,828,605,095,394.27
  5. Step 5: Solve for x
    x = 3,828,605,095,394.27/2,186,812.28
  6. Step 6: Final answer
    x = 1,750,769.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.