Home / 3,516,831.65-5,275,190.23-1,120,643.93

Finding the Fourth Proportional to 3,516,831.65, 5,275,190.23 and 1,120,643.93

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Solution

The fourth proportional to 3,516,831.65, 5,275,190.23 and 1,120,643.93 is: 1,680,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,831.65 : 5,275,190.23 = 1,120,643.93 : x
  2. Step 2: Convert to fraction form
    3,516,831.65/5,275,190.23 = 1,120,643.93/x
  3. Step 3: Cross multiply
    3,516,831.65x = 5,275,190.23 × 1,120,643.93
  4. Step 4: Simplify right side
    3,516,831.65x = 5,911,609,910,844.80
  5. Step 5: Solve for x
    x = 5,911,609,910,844.80/3,516,831.65
  6. Step 6: Final answer
    x = 1,680,947.65

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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.