Home / 1,927,855.59-2,660,440.70-1,068,471.20

Finding the Fourth Proportional to 1,927,855.59, 2,660,440.70 and 1,068,471.20

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Solution

The fourth proportional to 1,927,855.59, 2,660,440.70 and 1,068,471.20 is: 1,474,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,855.59 : 2,660,440.70 = 1,068,471.20 : x
  2. Step 2: Convert to fraction form
    1,927,855.59/2,660,440.70 = 1,068,471.20/x
  3. Step 3: Cross multiply
    1,927,855.59x = 2,660,440.70 × 1,068,471.20
  4. Step 4: Simplify right side
    1,927,855.59x = 2,842,604,267,257.84
  5. Step 5: Solve for x
    x = 2,842,604,267,257.84/1,927,855.59
  6. Step 6: Final answer
    x = 1,474,490.25

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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.