Home / 2,238,693.80-3,358,040.70-742,591.40

Finding the Fourth Proportional to 2,238,693.80, 3,358,040.70 and 742,591.40

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Solution

The fourth proportional to 2,238,693.80, 3,358,040.70 and 742,591.40 is: 1,113,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,693.80 : 3,358,040.70 = 742,591.40 : x
  2. Step 2: Convert to fraction form
    2,238,693.80/3,358,040.70 = 742,591.40/x
  3. Step 3: Cross multiply
    2,238,693.80x = 3,358,040.70 × 742,591.40
  4. Step 4: Simplify right side
    2,238,693.80x = 2,493,652,144,669.98
  5. Step 5: Solve for x
    x = 2,493,652,144,669.98/2,238,693.80
  6. Step 6: Final answer
    x = 1,113,887.10

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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.