Home / 3,997,495.40-5,516,397.50-2,278,283.82

Finding the Fourth Proportional to 3,997,495.40, 5,516,397.50 and 2,278,283.82

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Solution

The fourth proportional to 3,997,495.40, 5,516,397.50 and 2,278,283.82 is: 3,143,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,495.40 : 5,516,397.50 = 2,278,283.82 : x
  2. Step 2: Convert to fraction form
    3,997,495.40/5,516,397.50 = 2,278,283.82/x
  3. Step 3: Cross multiply
    3,997,495.40x = 5,516,397.50 × 2,278,283.82
  4. Step 4: Simplify right side
    3,997,495.40x = 12,567,919,168,938.45
  5. Step 5: Solve for x
    x = 12,567,919,168,938.45/3,997,495.40
  6. Step 6: Final answer
    x = 3,143,948.38

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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.