Home / 2,690,445.65-3,712,870.70-1,513,067.01

Finding the Fourth Proportional to 2,690,445.65, 3,712,870.70 and 1,513,067.01

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Solution

The fourth proportional to 2,690,445.65, 3,712,870.70 and 1,513,067.01 is: 2,088,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,445.65 : 3,712,870.70 = 1,513,067.01 : x
  2. Step 2: Convert to fraction form
    2,690,445.65/3,712,870.70 = 1,513,067.01/x
  3. Step 3: Cross multiply
    2,690,445.65x = 3,712,870.70 × 1,513,067.01
  4. Step 4: Simplify right side
    2,690,445.65x = 5,617,822,161,000.27
  5. Step 5: Solve for x
    x = 5,617,822,161,000.27/2,690,445.65
  6. Step 6: Final answer
    x = 2,088,063.80

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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.