Home / 2,536,817.76-3,500,781.84-1,390,895.28

Finding the Fourth Proportional to 2,536,817.76, 3,500,781.84 and 1,390,895.28

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Solution

The fourth proportional to 2,536,817.76, 3,500,781.84 and 1,390,895.28 is: 1,919,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,817.76 : 3,500,781.84 = 1,390,895.28 : x
  2. Step 2: Convert to fraction form
    2,536,817.76/3,500,781.84 = 1,390,895.28/x
  3. Step 3: Cross multiply
    2,536,817.76x = 3,500,781.84 × 1,390,895.28
  4. Step 4: Simplify right side
    2,536,817.76x = 4,869,220,937,565.72
  5. Step 5: Solve for x
    x = 4,869,220,937,565.72/2,536,817.76
  6. Step 6: Final answer
    x = 1,919,420.86

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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.