Home / 5,185,498.60-7,158,675.66-3,788,491.50

Finding the Fourth Proportional to 5,185,498.60, 7,158,675.66 and 3,788,491.50

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Solution

The fourth proportional to 5,185,498.60, 7,158,675.66 and 3,788,491.50 is: 5,230,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,498.60 : 7,158,675.66 = 3,788,491.50 : x
  2. Step 2: Convert to fraction form
    5,185,498.60/7,158,675.66 = 3,788,491.50/x
  3. Step 3: Cross multiply
    5,185,498.60x = 7,158,675.66 × 3,788,491.50
  4. Step 4: Simplify right side
    5,185,498.60x = 27,120,581,896,270.31
  5. Step 5: Solve for x
    x = 27,120,581,896,270.31/5,185,498.60
  6. Step 6: Final answer
    x = 5,230,081.81

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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.