Home / 2,877,346.60-3,970,834.50-1,570,676.20

Finding the Fourth Proportional to 2,877,346.60, 3,970,834.50 and 1,570,676.20

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Solution

The fourth proportional to 2,877,346.60, 3,970,834.50 and 1,570,676.20 is: 2,167,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,346.60 : 3,970,834.50 = 1,570,676.20 : x
  2. Step 2: Convert to fraction form
    2,877,346.60/3,970,834.50 = 1,570,676.20/x
  3. Step 3: Cross multiply
    2,877,346.60x = 3,970,834.50 × 1,570,676.20
  4. Step 4: Simplify right side
    2,877,346.60x = 6,236,895,243,288.90
  5. Step 5: Solve for x
    x = 6,236,895,243,288.90/2,877,346.60
  6. Step 6: Final answer
    x = 2,167,585.66

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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.