Home / 2,124,503.54-2,931,723.20-1,206,729.83

Finding the Fourth Proportional to 2,124,503.54, 2,931,723.20 and 1,206,729.83

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Solution

The fourth proportional to 2,124,503.54, 2,931,723.20 and 1,206,729.83 is: 1,665,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,503.54 : 2,931,723.20 = 1,206,729.83 : x
  2. Step 2: Convert to fraction form
    2,124,503.54/2,931,723.20 = 1,206,729.83/x
  3. Step 3: Cross multiply
    2,124,503.54x = 2,931,723.20 × 1,206,729.83
  4. Step 4: Simplify right side
    2,124,503.54x = 3,537,797,818,050.79
  5. Step 5: Solve for x
    x = 3,537,797,818,050.79/2,124,503.54
  6. Step 6: Final answer
    x = 1,665,235.08

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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.