Home / 2,680,970.40-4,020,386.40-883,353.60

Finding the Fourth Proportional to 2,680,970.40, 4,020,386.40 and 883,353.60

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Solution

The fourth proportional to 2,680,970.40, 4,020,386.40 and 883,353.60 is: 1,324,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,970.40 : 4,020,386.40 = 883,353.60 : x
  2. Step 2: Convert to fraction form
    2,680,970.40/4,020,386.40 = 883,353.60/x
  3. Step 3: Cross multiply
    2,680,970.40x = 4,020,386.40 × 883,353.60
  4. Step 4: Simplify right side
    2,680,970.40x = 3,551,422,799,831.04
  5. Step 5: Solve for x
    x = 3,551,422,799,831.04/2,680,970.40
  6. Step 6: Final answer
    x = 1,324,678.11

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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.