Home / 2,915,831.16-4,023,848.71-1,626,671.55

Finding the Fourth Proportional to 2,915,831.16, 4,023,848.71 and 1,626,671.55

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Solution

The fourth proportional to 2,915,831.16, 4,023,848.71 and 1,626,671.55 is: 2,244,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,831.16 : 4,023,848.71 = 1,626,671.55 : x
  2. Step 2: Convert to fraction form
    2,915,831.16/4,023,848.71 = 1,626,671.55/x
  3. Step 3: Cross multiply
    2,915,831.16x = 4,023,848.71 × 1,626,671.55
  4. Step 4: Simplify right side
    2,915,831.16x = 6,545,480,218,061.20
  5. Step 5: Solve for x
    x = 6,545,480,218,061.20/2,915,831.16
  6. Step 6: Final answer
    x = 2,244,807.69

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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.