Home / 3,861,480.16-5,328,490.43-2,291,341.45

Finding the Fourth Proportional to 3,861,480.16, 5,328,490.43 and 2,291,341.45

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Solution

The fourth proportional to 3,861,480.16, 5,328,490.43 and 2,291,341.45 is: 3,161,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,480.16 : 5,328,490.43 = 2,291,341.45 : x
  2. Step 2: Convert to fraction form
    3,861,480.16/5,328,490.43 = 2,291,341.45/x
  3. Step 3: Cross multiply
    3,861,480.16x = 5,328,490.43 × 2,291,341.45
  4. Step 4: Simplify right side
    3,861,480.16x = 12,209,390,988,187.32
  5. Step 5: Solve for x
    x = 12,209,390,988,187.32/3,861,480.16
  6. Step 6: Final answer
    x = 3,161,842.22

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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.