Home / 2,768,970.90-4,151,123.55-1,439,274.90

Finding the Fourth Proportional to 2,768,970.90, 4,151,123.55 and 1,439,274.90

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Solution

The fourth proportional to 2,768,970.90, 4,151,123.55 and 1,439,274.90 is: 2,157,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,970.90 : 4,151,123.55 = 1,439,274.90 : x
  2. Step 2: Convert to fraction form
    2,768,970.90/4,151,123.55 = 1,439,274.90/x
  3. Step 3: Cross multiply
    2,768,970.90x = 4,151,123.55 × 1,439,274.90
  4. Step 4: Simplify right side
    2,768,970.90x = 5,974,607,932,313.90
  5. Step 5: Solve for x
    x = 5,974,607,932,313.90/2,768,970.90
  6. Step 6: Final answer
    x = 2,157,699.79

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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.