Home / 2,912,297.60-4,368,446.40-2,607,867.20

Finding the Fourth Proportional to 2,912,297.60, 4,368,446.40 and 2,607,867.20

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Solution

The fourth proportional to 2,912,297.60, 4,368,446.40 and 2,607,867.20 is: 3,911,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,297.60 : 4,368,446.40 = 2,607,867.20 : x
  2. Step 2: Convert to fraction form
    2,912,297.60/4,368,446.40 = 2,607,867.20/x
  3. Step 3: Cross multiply
    2,912,297.60x = 4,368,446.40 × 2,607,867.20
  4. Step 4: Simplify right side
    2,912,297.60x = 11,392,328,081,518.08
  5. Step 5: Solve for x
    x = 11,392,328,081,518.08/2,912,297.60
  6. Step 6: Final answer
    x = 3,911,800.80

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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.