Home / 5,131,570.80-7,698,047.40-1,766,809.20

Finding the Fourth Proportional to 5,131,570.80, 7,698,047.40 and 1,766,809.20

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Solution

The fourth proportional to 5,131,570.80, 7,698,047.40 and 1,766,809.20 is: 2,650,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,570.80 : 7,698,047.40 = 1,766,809.20 : x
  2. Step 2: Convert to fraction form
    5,131,570.80/7,698,047.40 = 1,766,809.20/x
  3. Step 3: Cross multiply
    5,131,570.80x = 7,698,047.40 × 1,766,809.20
  4. Step 4: Simplify right side
    5,131,570.80x = 13,600,980,968,356.08
  5. Step 5: Solve for x
    x = 13,600,980,968,356.08/5,131,570.80
  6. Step 6: Final answer
    x = 2,650,451.78

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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.