Home / 3,076,728.32-4,616,744.88-1,280,851.40

Finding the Fourth Proportional to 3,076,728.32, 4,616,744.88 and 1,280,851.40

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Solution

The fourth proportional to 3,076,728.32, 4,616,744.88 and 1,280,851.40 is: 1,921,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,728.32 : 4,616,744.88 = 1,280,851.40 : x
  2. Step 2: Convert to fraction form
    3,076,728.32/4,616,744.88 = 1,280,851.40/x
  3. Step 3: Cross multiply
    3,076,728.32x = 4,616,744.88 × 1,280,851.40
  4. Step 4: Simplify right side
    3,076,728.32x = 5,913,364,142,990.83
  5. Step 5: Solve for x
    x = 5,913,364,142,990.83/3,076,728.32
  6. Step 6: Final answer
    x = 1,921,965.00

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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.