Home / 2,785,398.84-4,178,098.26-1,838,548.13

Finding the Fourth Proportional to 2,785,398.84, 4,178,098.26 and 1,838,548.13

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Solution

The fourth proportional to 2,785,398.84, 4,178,098.26 and 1,838,548.13 is: 2,757,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,398.84 : 4,178,098.26 = 1,838,548.13 : x
  2. Step 2: Convert to fraction form
    2,785,398.84/4,178,098.26 = 1,838,548.13/x
  3. Step 3: Cross multiply
    2,785,398.84x = 4,178,098.26 × 1,838,548.13
  4. Step 4: Simplify right side
    2,785,398.84x = 7,681,634,721,988.76
  5. Step 5: Solve for x
    x = 7,681,634,721,988.76/2,785,398.84
  6. Step 6: Final answer
    x = 2,757,822.19

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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.