Home / 2,672,445.12-3,688,125.12-1,585,360.32

Finding the Fourth Proportional to 2,672,445.12, 3,688,125.12 and 1,585,360.32

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Solution

The fourth proportional to 2,672,445.12, 3,688,125.12 and 1,585,360.32 is: 2,187,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,445.12 : 3,688,125.12 = 1,585,360.32 : x
  2. Step 2: Convert to fraction form
    2,672,445.12/3,688,125.12 = 1,585,360.32/x
  3. Step 3: Cross multiply
    2,672,445.12x = 3,688,125.12 × 1,585,360.32
  4. Step 4: Simplify right side
    2,672,445.12x = 5,847,007,220,443.24
  5. Step 5: Solve for x
    x = 5,847,007,220,443.24/2,672,445.12
  6. Step 6: Final answer
    x = 2,187,886.73

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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.