Home / 1,942,798.64-2,681,079.54-1,071,666.68

Finding the Fourth Proportional to 1,942,798.64, 2,681,079.54 and 1,071,666.68

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Solution

The fourth proportional to 1,942,798.64, 2,681,079.54 and 1,071,666.68 is: 1,478,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,798.64 : 2,681,079.54 = 1,071,666.68 : x
  2. Step 2: Convert to fraction form
    1,942,798.64/2,681,079.54 = 1,071,666.68/x
  3. Step 3: Cross multiply
    1,942,798.64x = 2,681,079.54 × 1,071,666.68
  4. Step 4: Simplify right side
    1,942,798.64x = 2,873,223,609,447.73
  5. Step 5: Solve for x
    x = 2,873,223,609,447.73/1,942,798.64
  6. Step 6: Final answer
    x = 1,478,909.63

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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.