Home / 3,114,838.42-4,298,477.88-1,719,400.90

Finding the Fourth Proportional to 3,114,838.42, 4,298,477.88 and 1,719,400.90

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Solution

The fourth proportional to 3,114,838.42, 4,298,477.88 and 1,719,400.90 is: 2,372,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,838.42 : 4,298,477.88 = 1,719,400.90 : x
  2. Step 2: Convert to fraction form
    3,114,838.42/4,298,477.88 = 1,719,400.90/x
  3. Step 3: Cross multiply
    3,114,838.42x = 4,298,477.88 × 1,719,400.90
  4. Step 4: Simplify right side
    3,114,838.42x = 7,390,806,735,502.09
  5. Step 5: Solve for x
    x = 7,390,806,735,502.09/3,114,838.42
  6. Step 6: Final answer
    x = 2,372,773.72

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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.