Home / 5,185,497.90-7,158,674.71-3,788,490.84

Finding the Fourth Proportional to 5,185,497.90, 7,158,674.71 and 3,788,490.84

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Solution

The fourth proportional to 5,185,497.90, 7,158,674.71 and 3,788,490.84 is: 5,230,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,497.90 : 7,158,674.71 = 3,788,490.84 : x
  2. Step 2: Convert to fraction form
    5,185,497.90/7,158,674.71 = 3,788,490.84/x
  3. Step 3: Cross multiply
    5,185,497.90x = 7,158,674.71 × 3,788,490.84
  4. Step 4: Simplify right side
    5,185,497.90x = 27,120,573,565,374.66
  5. Step 5: Solve for x
    x = 27,120,573,565,374.66/5,185,497.90
  6. Step 6: Final answer
    x = 5,230,080.91

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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.