Home / 1,971,803.70-2,955,664.35-1,071,342.90

Finding the Fourth Proportional to 1,971,803.70, 2,955,664.35 and 1,071,342.90

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Solution

The fourth proportional to 1,971,803.70, 2,955,664.35 and 1,071,342.90 is: 1,605,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,803.70 : 2,955,664.35 = 1,071,342.90 : x
  2. Step 2: Convert to fraction form
    1,971,803.70/2,955,664.35 = 1,071,342.90/x
  3. Step 3: Cross multiply
    1,971,803.70x = 2,955,664.35 × 1,071,342.90
  4. Step 4: Simplify right side
    1,971,803.70x = 3,166,530,016,155.62
  5. Step 5: Solve for x
    x = 3,166,530,016,155.62/1,971,803.70
  6. Step 6: Final answer
    x = 1,605,905.30

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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.