Home / 4,602,720.42-6,919,215.98-4,269,780.45

Finding the Fourth Proportional to 4,602,720.42, 6,919,215.98 and 4,269,780.45

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Solution

The fourth proportional to 4,602,720.42, 6,919,215.98 and 4,269,780.45 is: 6,418,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602,720.42 : 6,919,215.98 = 4,269,780.45 : x
  2. Step 2: Convert to fraction form
    4,602,720.42/6,919,215.98 = 4,269,780.45/x
  3. Step 3: Cross multiply
    4,602,720.42x = 6,919,215.98 × 4,269,780.45
  4. Step 4: Simplify right side
    4,602,720.42x = 29,543,533,099,382.69
  5. Step 5: Solve for x
    x = 29,543,533,099,382.69/4,602,720.42
  6. Step 6: Final answer
    x = 6,418,711.20

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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.