Home / 2,085,339.60-3,128,009.40-886,960.80

Finding the Fourth Proportional to 2,085,339.60, 3,128,009.40 and 886,960.80

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Solution

The fourth proportional to 2,085,339.60, 3,128,009.40 and 886,960.80 is: 1,330,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,339.60 : 3,128,009.40 = 886,960.80 : x
  2. Step 2: Convert to fraction form
    2,085,339.60/3,128,009.40 = 886,960.80/x
  3. Step 3: Cross multiply
    2,085,339.60x = 3,128,009.40 × 886,960.80
  4. Step 4: Simplify right side
    2,085,339.60x = 2,774,421,719,831.52
  5. Step 5: Solve for x
    x = 2,774,421,719,831.52/2,085,339.60
  6. Step 6: Final answer
    x = 1,330,441.20

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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.