Home / 3,966,482.52-5,473,591.74-2,155,607.64

Finding the Fourth Proportional to 3,966,482.52, 5,473,591.74 and 2,155,607.64

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Solution

The fourth proportional to 3,966,482.52, 5,473,591.74 and 2,155,607.64 is: 2,974,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966,482.52 : 5,473,591.74 = 2,155,607.64 : x
  2. Step 2: Convert to fraction form
    3,966,482.52/5,473,591.74 = 2,155,607.64/x
  3. Step 3: Cross multiply
    3,966,482.52x = 5,473,591.74 × 2,155,607.64
  4. Step 4: Simplify right side
    3,966,482.52x = 11,798,916,172,984.89
  5. Step 5: Solve for x
    x = 11,798,916,172,984.89/3,966,482.52
  6. Step 6: Final answer
    x = 2,974,654.78

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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.