Home / 1,852,208.20-2,555,236.32-1,087,917.28

Finding the Fourth Proportional to 1,852,208.20, 2,555,236.32 and 1,087,917.28

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Solution

The fourth proportional to 1,852,208.20, 2,555,236.32 and 1,087,917.28 is: 1,500,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,208.20 : 2,555,236.32 = 1,087,917.28 : x
  2. Step 2: Convert to fraction form
    1,852,208.20/2,555,236.32 = 1,087,917.28/x
  3. Step 3: Cross multiply
    1,852,208.20x = 2,555,236.32 × 1,087,917.28
  4. Step 4: Simplify right side
    1,852,208.20x = 2,779,885,747,011.61
  5. Step 5: Solve for x
    x = 2,779,885,747,011.61/1,852,208.20
  6. Step 6: Final answer
    x = 1,500,849.50

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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.