Home / 1,979,436.40-2,970,904.20-1,696,001.20

Finding the Fourth Proportional to 1,979,436.40, 2,970,904.20 and 1,696,001.20

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Solution

The fourth proportional to 1,979,436.40, 2,970,904.20 and 1,696,001.20 is: 2,545,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,436.40 : 2,970,904.20 = 1,696,001.20 : x
  2. Step 2: Convert to fraction form
    1,979,436.40/2,970,904.20 = 1,696,001.20/x
  3. Step 3: Cross multiply
    1,979,436.40x = 2,970,904.20 × 1,696,001.20
  4. Step 4: Simplify right side
    1,979,436.40x = 5,038,657,088,285.04
  5. Step 5: Solve for x
    x = 5,038,657,088,285.04/1,979,436.40
  6. Step 6: Final answer
    x = 2,545,500.88

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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.