Home / 2,536,842.34-3,500,815.45-1,390,919.78

Finding the Fourth Proportional to 2,536,842.34, 3,500,815.45 and 1,390,919.78

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Solution

The fourth proportional to 2,536,842.34, 3,500,815.45 and 1,390,919.78 is: 1,919,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,842.34 : 3,500,815.45 = 1,390,919.78 : x
  2. Step 2: Convert to fraction form
    2,536,842.34/3,500,815.45 = 1,390,919.78/x
  3. Step 3: Cross multiply
    2,536,842.34x = 3,500,815.45 × 1,390,919.78
  4. Step 4: Simplify right side
    2,536,842.34x = 4,869,353,455,534.60
  5. Step 5: Solve for x
    x = 4,869,353,455,534.60/2,536,842.34
  6. Step 6: Final answer
    x = 1,919,454.50

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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.