Home / 2,669,138.40-4,003,707.60-2,538,501.60

Finding the Fourth Proportional to 2,669,138.40, 4,003,707.60 and 2,538,501.60

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Solution

The fourth proportional to 2,669,138.40, 4,003,707.60 and 2,538,501.60 is: 3,807,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,138.40 : 4,003,707.60 = 2,538,501.60 : x
  2. Step 2: Convert to fraction form
    2,669,138.40/4,003,707.60 = 2,538,501.60/x
  3. Step 3: Cross multiply
    2,669,138.40x = 4,003,707.60 × 2,538,501.60
  4. Step 4: Simplify right side
    2,669,138.40x = 10,163,418,148,532.16
  5. Step 5: Solve for x
    x = 10,163,418,148,532.16/2,669,138.40
  6. Step 6: Final answer
    x = 3,807,752.40

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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.