Home / 5,730,321.78-7,908,054.30-3,152,198.70

Finding the Fourth Proportional to 5,730,321.78, 7,908,054.30 and 3,152,198.70

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Solution

The fourth proportional to 5,730,321.78, 7,908,054.30 and 3,152,198.70 is: 4,350,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730,321.78 : 7,908,054.30 = 3,152,198.70 : x
  2. Step 2: Convert to fraction form
    5,730,321.78/7,908,054.30 = 3,152,198.70/x
  3. Step 3: Cross multiply
    5,730,321.78x = 7,908,054.30 × 3,152,198.70
  4. Step 4: Simplify right side
    5,730,321.78x = 24,927,758,483,989.41
  5. Step 5: Solve for x
    x = 24,927,758,483,989.41/5,730,321.78
  6. Step 6: Final answer
    x = 4,350,149.86

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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.