Home / 3,314,649.15-4,972,080.65-918,516.87

Finding the Fourth Proportional to 3,314,649.15, 4,972,080.65 and 918,516.87

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Solution

The fourth proportional to 3,314,649.15, 4,972,080.65 and 918,516.87 is: 1,377,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,649.15 : 4,972,080.65 = 918,516.87 : x
  2. Step 2: Convert to fraction form
    3,314,649.15/4,972,080.65 = 918,516.87/x
  3. Step 3: Cross multiply
    3,314,649.15x = 4,972,080.65 × 918,516.87
  4. Step 4: Simplify right side
    3,314,649.15x = 4,566,939,956,025.57
  5. Step 5: Solve for x
    x = 4,566,939,956,025.57/3,314,649.15
  6. Step 6: Final answer
    x = 1,377,804.93

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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.