Home / 1,985,831.43-2,731,847.88-1,739,707.86

Finding the Fourth Proportional to 1,985,831.43, 2,731,847.88 and 1,739,707.86

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Solution

The fourth proportional to 1,985,831.43, 2,731,847.88 and 1,739,707.86 is: 2,393,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,831.43 : 2,731,847.88 = 1,739,707.86 : x
  2. Step 2: Convert to fraction form
    1,985,831.43/2,731,847.88 = 1,739,707.86/x
  3. Step 3: Cross multiply
    1,985,831.43x = 2,731,847.88 × 1,739,707.86
  4. Step 4: Simplify right side
    1,985,831.43x = 4,752,617,229,160.34
  5. Step 5: Solve for x
    x = 4,752,617,229,160.34/1,985,831.43
  6. Step 6: Final answer
    x = 2,393,263.17

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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.