Home / 2,163,861.60-2,985,868.80-1,246,389.16

Finding the Fourth Proportional to 2,163,861.60, 2,985,868.80 and 1,246,389.16

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Solution

The fourth proportional to 2,163,861.60, 2,985,868.80 and 1,246,389.16 is: 1,719,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,861.60 : 2,985,868.80 = 1,246,389.16 : x
  2. Step 2: Convert to fraction form
    2,163,861.60/2,985,868.80 = 1,246,389.16/x
  3. Step 3: Cross multiply
    2,163,861.60x = 2,985,868.80 × 1,246,389.16
  4. Step 4: Simplify right side
    2,163,861.60x = 3,721,554,505,502.21
  5. Step 5: Solve for x
    x = 3,721,554,505,502.21/2,163,861.60
  6. Step 6: Final answer
    x = 1,719,867.16

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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.