Home / 1,820,897.29-2,512,838.38-1,005,101.18

Finding the Fourth Proportional to 1,820,897.29, 2,512,838.38 and 1,005,101.18

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Solution

The fourth proportional to 1,820,897.29, 2,512,838.38 and 1,005,101.18 is: 1,387,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,897.29 : 2,512,838.38 = 1,005,101.18 : x
  2. Step 2: Convert to fraction form
    1,820,897.29/2,512,838.38 = 1,005,101.18/x
  3. Step 3: Cross multiply
    1,820,897.29x = 2,512,838.38 × 1,005,101.18
  4. Step 4: Simplify right side
    1,820,897.29x = 2,525,656,808,323.10
  5. Step 5: Solve for x
    x = 2,525,656,808,323.10/1,820,897.29
  6. Step 6: Final answer
    x = 1,387,039.69

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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.