Home / 1,971,237.28-2,720,308.80-1,065,819.28

Finding the Fourth Proportional to 1,971,237.28, 2,720,308.80 and 1,065,819.28

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Solution

The fourth proportional to 1,971,237.28, 2,720,308.80 and 1,065,819.28 is: 1,470,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,237.28 : 2,720,308.80 = 1,065,819.28 : x
  2. Step 2: Convert to fraction form
    1,971,237.28/2,720,308.80 = 1,065,819.28/x
  3. Step 3: Cross multiply
    1,971,237.28x = 2,720,308.80 × 1,065,819.28
  4. Step 4: Simplify right side
    1,971,237.28x = 2,899,357,566,593.66
  5. Step 5: Solve for x
    x = 2,899,357,566,593.66/1,971,237.28
  6. Step 6: Final answer
    x = 1,470,831.34

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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.