Home / 1,970,410.71-2,956,723.34-1,071,915.33

Finding the Fourth Proportional to 1,970,410.71, 2,956,723.34 and 1,071,915.33

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Solution

The fourth proportional to 1,970,410.71, 2,956,723.34 and 1,071,915.33 is: 1,608,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,410.71 : 2,956,723.34 = 1,071,915.33 : x
  2. Step 2: Convert to fraction form
    1,970,410.71/2,956,723.34 = 1,071,915.33/x
  3. Step 3: Cross multiply
    1,970,410.71x = 2,956,723.34 × 1,071,915.33
  4. Step 4: Simplify right side
    1,970,410.71x = 3,169,357,069,355.23
  5. Step 5: Solve for x
    x = 3,169,357,069,355.23/1,970,410.71
  6. Step 6: Final answer
    x = 1,608,475.36

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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.