Home / 1,913,979.39-2,868,260.85-1,061,426.04

Finding the Fourth Proportional to 1,913,979.39, 2,868,260.85 and 1,061,426.04

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Solution

The fourth proportional to 1,913,979.39, 2,868,260.85 and 1,061,426.04 is: 1,590,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,979.39 : 2,868,260.85 = 1,061,426.04 : x
  2. Step 2: Convert to fraction form
    1,913,979.39/2,868,260.85 = 1,061,426.04/x
  3. Step 3: Cross multiply
    1,913,979.39x = 2,868,260.85 × 1,061,426.04
  4. Step 4: Simplify right side
    1,913,979.39x = 3,044,446,755,702.53
  5. Step 5: Solve for x
    x = 3,044,446,755,702.53/1,913,979.39
  6. Step 6: Final answer
    x = 1,590,637.17

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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.