Home / 4,877,478.78-6,729,704.74-2,813,125.74

Finding the Fourth Proportional to 4,877,478.78, 6,729,704.74 and 2,813,125.74

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Solution

The fourth proportional to 4,877,478.78, 6,729,704.74 and 2,813,125.74 is: 3,881,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,478.78 : 6,729,704.74 = 2,813,125.74 : x
  2. Step 2: Convert to fraction form
    4,877,478.78/6,729,704.74 = 2,813,125.74/x
  3. Step 3: Cross multiply
    4,877,478.78x = 6,729,704.74 × 2,813,125.74
  4. Step 4: Simplify right side
    4,877,478.78x = 18,931,505,626,694.01
  5. Step 5: Solve for x
    x = 18,931,505,626,694.01/4,877,478.78
  6. Step 6: Final answer
    x = 3,881,412.20

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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.