Home / 1,919,812.25-2,878,604.25-908,925.66

Finding the Fourth Proportional to 1,919,812.25, 2,878,604.25 and 908,925.66

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Solution

The fourth proportional to 1,919,812.25, 2,878,604.25 and 908,925.66 is: 1,362,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,812.25 : 2,878,604.25 = 908,925.66 : x
  2. Step 2: Convert to fraction form
    1,919,812.25/2,878,604.25 = 908,925.66/x
  3. Step 3: Cross multiply
    1,919,812.25x = 2,878,604.25 × 908,925.66
  4. Step 4: Simplify right side
    1,919,812.25x = 2,616,437,267,810.06
  5. Step 5: Solve for x
    x = 2,616,437,267,810.06/1,919,812.25
  6. Step 6: Final answer
    x = 1,362,861.02

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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.