Home / 3,931,602.80-5,423,530.88-2,705,780.12

Finding the Fourth Proportional to 3,931,602.80, 5,423,530.88 and 2,705,780.12

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Solution

The fourth proportional to 3,931,602.80, 5,423,530.88 and 2,705,780.12 is: 3,732,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,602.80 : 5,423,530.88 = 2,705,780.12 : x
  2. Step 2: Convert to fraction form
    3,931,602.80/5,423,530.88 = 2,705,780.12/x
  3. Step 3: Cross multiply
    3,931,602.80x = 5,423,530.88 × 2,705,780.12
  4. Step 4: Simplify right side
    3,931,602.80x = 14,674,882,021,781.21
  5. Step 5: Solve for x
    x = 14,674,882,021,781.21/3,931,602.80
  6. Step 6: Final answer
    x = 3,732,544.40

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1.5x scale

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.