Home / 2,172,670.80-3,262,505.40-1,640,792.40

Finding the Fourth Proportional to 2,172,670.80, 3,262,505.40 and 1,640,792.40

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Solution

The fourth proportional to 2,172,670.80, 3,262,505.40 and 1,640,792.40 is: 2,463,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,670.80 : 3,262,505.40 = 1,640,792.40 : x
  2. Step 2: Convert to fraction form
    2,172,670.80/3,262,505.40 = 1,640,792.40/x
  3. Step 3: Cross multiply
    2,172,670.80x = 3,262,505.40 × 1,640,792.40
  4. Step 4: Simplify right side
    2,172,670.80x = 5,353,094,065,278.96
  5. Step 5: Solve for x
    x = 5,353,094,065,278.96/2,172,670.80
  6. Step 6: Final answer
    x = 2,463,831.18

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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.