Home / 1,971,111.92-2,720,134.17-1,065,693.92

Finding the Fourth Proportional to 1,971,111.92, 2,720,134.17 and 1,065,693.92

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Solution

The fourth proportional to 1,971,111.92, 2,720,134.17 and 1,065,693.92 is: 1,470,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,111.92 : 2,720,134.17 = 1,065,693.92 : x
  2. Step 2: Convert to fraction form
    1,971,111.92/2,720,134.17 = 1,065,693.92/x
  3. Step 3: Cross multiply
    1,971,111.92x = 2,720,134.17 × 1,065,693.92
  4. Step 4: Simplify right side
    1,971,111.92x = 2,898,830,432,952.58
  5. Step 5: Solve for x
    x = 2,898,830,432,952.58/1,971,111.92
  6. Step 6: Final answer
    x = 1,470,657.46

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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.