Home / 2,987,237.70-4,480,856.55-2,030,643.90

Finding the Fourth Proportional to 2,987,237.70, 4,480,856.55 and 2,030,643.90

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Solution

The fourth proportional to 2,987,237.70, 4,480,856.55 and 2,030,643.90 is: 3,045,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,237.70 : 4,480,856.55 = 2,030,643.90 : x
  2. Step 2: Convert to fraction form
    2,987,237.70/4,480,856.55 = 2,030,643.90/x
  3. Step 3: Cross multiply
    2,987,237.70x = 4,480,856.55 × 2,030,643.90
  4. Step 4: Simplify right side
    2,987,237.70x = 9,099,024,020,032.55
  5. Step 5: Solve for x
    x = 9,099,024,020,032.55/2,987,237.70
  6. Step 6: Final answer
    x = 3,045,965.85

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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.