Home / 1,972,456.20-2,956,643.10-1,071,995.40

Finding the Fourth Proportional to 1,972,456.20, 2,956,643.10 and 1,071,995.40

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Solution

The fourth proportional to 1,972,456.20, 2,956,643.10 and 1,071,995.40 is: 1,606,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,456.20 : 2,956,643.10 = 1,071,995.40 : x
  2. Step 2: Convert to fraction form
    1,972,456.20/2,956,643.10 = 1,071,995.40/x
  3. Step 3: Cross multiply
    1,972,456.20x = 2,956,643.10 × 1,071,995.40
  4. Step 4: Simplify right side
    1,972,456.20x = 3,169,507,802,641.74
  5. Step 5: Solve for x
    x = 3,169,507,802,641.74/1,972,456.20
  6. Step 6: Final answer
    x = 1,606,883.74

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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.