Home / 1,830,447.84-2,745,708.12-1,288,487.52

Finding the Fourth Proportional to 1,830,447.84, 2,745,708.12 and 1,288,487.52

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Solution

The fourth proportional to 1,830,447.84, 2,745,708.12 and 1,288,487.52 is: 1,932,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,447.84 : 2,745,708.12 = 1,288,487.52 : x
  2. Step 2: Convert to fraction form
    1,830,447.84/2,745,708.12 = 1,288,487.52/x
  3. Step 3: Cross multiply
    1,830,447.84x = 2,745,708.12 × 1,288,487.52
  4. Step 4: Simplify right side
    1,830,447.84x = 3,537,810,646,182.66
  5. Step 5: Solve for x
    x = 3,537,810,646,182.66/1,830,447.84
  6. Step 6: Final answer
    x = 1,932,756.87

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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.