Home / 2,361,660.16-3,259,089.12-1,288,572.16

Finding the Fourth Proportional to 2,361,660.16, 3,259,089.12 and 1,288,572.16

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Solution

The fourth proportional to 2,361,660.16, 3,259,089.12 and 1,288,572.16 is: 1,778,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361,660.16 : 3,259,089.12 = 1,288,572.16 : x
  2. Step 2: Convert to fraction form
    2,361,660.16/3,259,089.12 = 1,288,572.16/x
  3. Step 3: Cross multiply
    2,361,660.16x = 3,259,089.12 × 1,288,572.16
  4. Step 4: Simplify right side
    2,361,660.16x = 4,199,571,506,990.90
  5. Step 5: Solve for x
    x = 4,199,571,506,990.90/2,361,660.16
  6. Step 6: Final answer
    x = 1,778,228.54

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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.