Home / 3,931,608.04-5,423,538.12-2,705,785.40

Finding the Fourth Proportional to 3,931,608.04, 5,423,538.12 and 2,705,785.40

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Solution

The fourth proportional to 3,931,608.04, 5,423,538.12 and 2,705,785.40 is: 3,732,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,608.04 : 5,423,538.12 = 2,705,785.40 : x
  2. Step 2: Convert to fraction form
    3,931,608.04/5,423,538.12 = 2,705,785.40/x
  3. Step 3: Cross multiply
    3,931,608.04x = 5,423,538.12 × 2,705,785.40
  4. Step 4: Simplify right side
    3,931,608.04x = 14,674,930,261,439.45
  5. Step 5: Solve for x
    x = 14,674,930,261,439.45/3,931,608.04
  6. Step 6: Final answer
    x = 3,732,551.70

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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.