Home / 4,890,445.20-7,335,667.80-1,694,509.20

Finding the Fourth Proportional to 4,890,445.20, 7,335,667.80 and 1,694,509.20

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Solution

The fourth proportional to 4,890,445.20, 7,335,667.80 and 1,694,509.20 is: 2,541,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,445.20 : 7,335,667.80 = 1,694,509.20 : x
  2. Step 2: Convert to fraction form
    4,890,445.20/7,335,667.80 = 1,694,509.20/x
  3. Step 3: Cross multiply
    4,890,445.20x = 7,335,667.80 × 1,694,509.20
  4. Step 4: Simplify right side
    4,890,445.20x = 12,430,356,575,243.76
  5. Step 5: Solve for x
    x = 12,430,356,575,243.76/4,890,445.20
  6. Step 6: Final answer
    x = 2,541,763.80

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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.