Home / 1,813,985.20-2,721,265.80-616,020.40

Finding the Fourth Proportional to 1,813,985.20, 2,721,265.80 and 616,020.40

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Solution

The fourth proportional to 1,813,985.20, 2,721,265.80 and 616,020.40 is: 924,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,985.20 : 2,721,265.80 = 616,020.40 : x
  2. Step 2: Convert to fraction form
    1,813,985.20/2,721,265.80 = 616,020.40/x
  3. Step 3: Cross multiply
    1,813,985.20x = 2,721,265.80 × 616,020.40
  4. Step 4: Simplify right side
    1,813,985.20x = 1,676,355,246,622.32
  5. Step 5: Solve for x
    x = 1,676,355,246,622.32/1,813,985.20
  6. Step 6: Final answer
    x = 924,128.40

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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.