Home / 2,880,084.40-4,320,126.60-986,887.60

Finding the Fourth Proportional to 2,880,084.40, 4,320,126.60 and 986,887.60

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Solution

The fourth proportional to 2,880,084.40, 4,320,126.60 and 986,887.60 is: 1,480,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,084.40 : 4,320,126.60 = 986,887.60 : x
  2. Step 2: Convert to fraction form
    2,880,084.40/4,320,126.60 = 986,887.60/x
  3. Step 3: Cross multiply
    2,880,084.40x = 4,320,126.60 × 986,887.60
  4. Step 4: Simplify right side
    2,880,084.40x = 4,263,479,371,970.16
  5. Step 5: Solve for x
    x = 4,263,479,371,970.16/2,880,084.40
  6. Step 6: Final answer
    x = 1,480,331.40

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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.