Home / 2,129,709.18-2,938,976.28-1,162,836.48

Finding the Fourth Proportional to 2,129,709.18, 2,938,976.28 and 1,162,836.48

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Solution

The fourth proportional to 2,129,709.18, 2,938,976.28 and 1,162,836.48 is: 1,604,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,709.18 : 2,938,976.28 = 1,162,836.48 : x
  2. Step 2: Convert to fraction form
    2,129,709.18/2,938,976.28 = 1,162,836.48/x
  3. Step 3: Cross multiply
    2,129,709.18x = 2,938,976.28 × 1,162,836.48
  4. Step 4: Simplify right side
    2,129,709.18x = 3,417,548,832,238.69
  5. Step 5: Solve for x
    x = 3,417,548,832,238.69/2,129,709.18
  6. Step 6: Final answer
    x = 1,604,702.12

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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.