Home / 4,991,959.40-7,487,961-1,580,262.72

Finding the Fourth Proportional to 4,991,959.40, 7,487,961 and 1,580,262.72

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Solution

The fourth proportional to 4,991,959.40, 7,487,961 and 1,580,262.72 is: 2,370,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,959.40 : 7,487,961 = 1,580,262.72 : x
  2. Step 2: Convert to fraction form
    4,991,959.40/7,487,961 = 1,580,262.72/x
  3. Step 3: Cross multiply
    4,991,959.40x = 7,487,961 × 1,580,262.72
  4. Step 4: Simplify right side
    4,991,959.40x = 11,832,945,617,113.92
  5. Step 5: Solve for x
    x = 11,832,945,617,113.92/4,991,959.40
  6. Step 6: Final answer
    x = 2,370,401.01

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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.