Home / 2,638,960.08-3,642,200.40-1,811,353.48

Finding the Fourth Proportional to 2,638,960.08, 3,642,200.40 and 1,811,353.48

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Solution

The fourth proportional to 2,638,960.08, 3,642,200.40 and 1,811,353.48 is: 2,499,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,960.08 : 3,642,200.40 = 1,811,353.48 : x
  2. Step 2: Convert to fraction form
    2,638,960.08/3,642,200.40 = 1,811,353.48/x
  3. Step 3: Cross multiply
    2,638,960.08x = 3,642,200.40 × 1,811,353.48
  4. Step 4: Simplify right side
    2,638,960.08x = 6,597,312,369,397.39
  5. Step 5: Solve for x
    x = 6,597,312,369,397.39/2,638,960.08
  6. Step 6: Final answer
    x = 2,499,966.72

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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.