Home / 4,889,929.80-7,329,645.90-1,856,123.40

Finding the Fourth Proportional to 4,889,929.80, 7,329,645.90 and 1,856,123.40

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Solution

The fourth proportional to 4,889,929.80, 7,329,645.90 and 1,856,123.40 is: 2,782,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,929.80 : 7,329,645.90 = 1,856,123.40 : x
  2. Step 2: Convert to fraction form
    4,889,929.80/7,329,645.90 = 1,856,123.40/x
  3. Step 3: Cross multiply
    4,889,929.80x = 7,329,645.90 × 1,856,123.40
  4. Step 4: Simplify right side
    4,889,929.80x = 13,604,727,268,704.06
  5. Step 5: Solve for x
    x = 13,604,727,268,704.06/4,889,929.80
  6. Step 6: Final answer
    x = 2,782,192.76

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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.