Home / 2,940,787.20-4,411,180.80-1,047,590.40

Finding the Fourth Proportional to 2,940,787.20, 4,411,180.80 and 1,047,590.40

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Solution

The fourth proportional to 2,940,787.20, 4,411,180.80 and 1,047,590.40 is: 1,571,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,787.20 : 4,411,180.80 = 1,047,590.40 : x
  2. Step 2: Convert to fraction form
    2,940,787.20/4,411,180.80 = 1,047,590.40/x
  3. Step 3: Cross multiply
    2,940,787.20x = 4,411,180.80 × 1,047,590.40
  4. Step 4: Simplify right side
    2,940,787.20x = 4,621,110,658,744.32
  5. Step 5: Solve for x
    x = 4,621,110,658,744.32/2,940,787.20
  6. Step 6: Final answer
    x = 1,571,385.60

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1.5x scale

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.