Home / 2,540,709.61-3,808,165.34-1,023,421.57

Finding the Fourth Proportional to 2,540,709.61, 3,808,165.34 and 1,023,421.57

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Solution

The fourth proportional to 2,540,709.61, 3,808,165.34 and 1,023,421.57 is: 1,533,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,709.61 : 3,808,165.34 = 1,023,421.57 : x
  2. Step 2: Convert to fraction form
    2,540,709.61/3,808,165.34 = 1,023,421.57/x
  3. Step 3: Cross multiply
    2,540,709.61x = 3,808,165.34 × 1,023,421.57
  4. Step 4: Simplify right side
    2,540,709.61x = 3,897,358,545,965.28
  5. Step 5: Solve for x
    x = 3,897,358,545,965.28/2,540,709.61
  6. Step 6: Final answer
    x = 1,533,964.58

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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.