Home / 4,953,905.40-7,430,858.10-4,156,743.90

Finding the Fourth Proportional to 4,953,905.40, 7,430,858.10 and 4,156,743.90

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Solution

The fourth proportional to 4,953,905.40, 7,430,858.10 and 4,156,743.90 is: 6,235,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953,905.40 : 7,430,858.10 = 4,156,743.90 : x
  2. Step 2: Convert to fraction form
    4,953,905.40/7,430,858.10 = 4,156,743.90/x
  3. Step 3: Cross multiply
    4,953,905.40x = 7,430,858.10 × 4,156,743.90
  4. Step 4: Simplify right side
    4,953,905.40x = 30,888,174,078,940.59
  5. Step 5: Solve for x
    x = 30,888,174,078,940.59/4,953,905.40
  6. Step 6: Final answer
    x = 6,235,115.85

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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.