Home / 2,129,708.18-2,938,974.90-1,162,835.48

Finding the Fourth Proportional to 2,129,708.18, 2,938,974.90 and 1,162,835.48

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Solution

The fourth proportional to 2,129,708.18, 2,938,974.90 and 1,162,835.48 is: 1,604,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,708.18 : 2,938,974.90 = 1,162,835.48 : x
  2. Step 2: Convert to fraction form
    2,129,708.18/2,938,974.90 = 1,162,835.48/x
  3. Step 3: Cross multiply
    2,129,708.18x = 2,938,974.90 × 1,162,835.48
  4. Step 4: Simplify right side
    2,129,708.18x = 3,417,544,288,549.45
  5. Step 5: Solve for x
    x = 3,417,544,288,549.45/2,129,708.18
  6. Step 6: Final answer
    x = 1,604,700.74

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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.