Home / 1,887,245.76-2,604,472.88-1,071,525.36

Finding the Fourth Proportional to 1,887,245.76, 2,604,472.88 and 1,071,525.36

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Solution

The fourth proportional to 1,887,245.76, 2,604,472.88 and 1,071,525.36 is: 1,478,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,245.76 : 2,604,472.88 = 1,071,525.36 : x
  2. Step 2: Convert to fraction form
    1,887,245.76/2,604,472.88 = 1,071,525.36/x
  3. Step 3: Cross multiply
    1,887,245.76x = 2,604,472.88 × 1,071,525.36
  4. Step 4: Simplify right side
    1,887,245.76x = 2,790,758,734,994.61
  5. Step 5: Solve for x
    x = 2,790,758,734,994.61/1,887,245.76
  6. Step 6: Final answer
    x = 1,478,746.86

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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.