Home / 5,429,053.01-8,143,574.87-1,385,540.50

Finding the Fourth Proportional to 5,429,053.01, 8,143,574.87 and 1,385,540.50

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Solution

The fourth proportional to 5,429,053.01, 8,143,574.87 and 1,385,540.50 is: 2,078,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,053.01 : 8,143,574.87 = 1,385,540.50 : x
  2. Step 2: Convert to fraction form
    5,429,053.01/8,143,574.87 = 1,385,540.50/x
  3. Step 3: Cross multiply
    5,429,053.01x = 8,143,574.87 × 1,385,540.50
  4. Step 4: Simplify right side
    5,429,053.01x = 11,283,252,797,167.23
  5. Step 5: Solve for x
    x = 11,283,252,797,167.23/5,429,053.01
  6. Step 6: Final answer
    x = 2,078,309.57

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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.