Home / 5,429,047.36-8,143,566.41-1,385,534.86

Finding the Fourth Proportional to 5,429,047.36, 8,143,566.41 and 1,385,534.86

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Solution

The fourth proportional to 5,429,047.36, 8,143,566.41 and 1,385,534.86 is: 2,078,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,047.36 : 8,143,566.41 = 1,385,534.86 : x
  2. Step 2: Convert to fraction form
    5,429,047.36/8,143,566.41 = 1,385,534.86/x
  3. Step 3: Cross multiply
    5,429,047.36x = 8,143,566.41 × 1,385,534.86
  4. Step 4: Simplify right side
    5,429,047.36x = 11,283,195,149,243.89
  5. Step 5: Solve for x
    x = 11,283,195,149,243.89/5,429,047.36
  6. Step 6: Final answer
    x = 2,078,301.11

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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.