Home / 2,927,709.66-4,392,820.50-1,131,854.40

Finding the Fourth Proportional to 2,927,709.66, 4,392,820.50 and 1,131,854.40

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Solution

The fourth proportional to 2,927,709.66, 4,392,820.50 and 1,131,854.40 is: 1,698,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,709.66 : 4,392,820.50 = 1,131,854.40 : x
  2. Step 2: Convert to fraction form
    2,927,709.66/4,392,820.50 = 1,131,854.40/x
  3. Step 3: Cross multiply
    2,927,709.66x = 4,392,820.50 × 1,131,854.40
  4. Step 4: Simplify right side
    2,927,709.66x = 4,972,033,211,335.20
  5. Step 5: Solve for x
    x = 4,972,033,211,335.20/2,927,709.66
  6. Step 6: Final answer
    x = 1,698,267.17

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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.