Home / 2,372,811.72-3,559,825.08-689,915.76

Finding the Fourth Proportional to 2,372,811.72, 3,559,825.08 and 689,915.76

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Solution

The fourth proportional to 2,372,811.72, 3,559,825.08 and 689,915.76 is: 1,035,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372,811.72 : 3,559,825.08 = 689,915.76 : x
  2. Step 2: Convert to fraction form
    2,372,811.72/3,559,825.08 = 689,915.76/x
  3. Step 3: Cross multiply
    2,372,811.72x = 3,559,825.08 × 689,915.76
  4. Step 4: Simplify right side
    2,372,811.72x = 2,455,979,425,535.26
  5. Step 5: Solve for x
    x = 2,455,979,425,535.26/2,372,811.72
  6. Step 6: Final answer
    x = 1,035,050.28

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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.