Home / 2,015,590.88-2,781,515.28-1,110,172.88

Finding the Fourth Proportional to 2,015,590.88, 2,781,515.28 and 1,110,172.88

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Solution

The fourth proportional to 2,015,590.88, 2,781,515.28 and 1,110,172.88 is: 1,532,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,590.88 : 2,781,515.28 = 1,110,172.88 : x
  2. Step 2: Convert to fraction form
    2,015,590.88/2,781,515.28 = 1,110,172.88/x
  3. Step 3: Cross multiply
    2,015,590.88x = 2,781,515.28 × 1,110,172.88
  4. Step 4: Simplify right side
    2,015,590.88x = 3,087,962,829,161.61
  5. Step 5: Solve for x
    x = 3,087,962,829,161.61/2,015,590.88
  6. Step 6: Final answer
    x = 1,532,038.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.