Home / 2,648,548.80-3,974,464.80-1,387,281.60

Finding the Fourth Proportional to 2,648,548.80, 3,974,464.80 and 1,387,281.60

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Solution

The fourth proportional to 2,648,548.80, 3,974,464.80 and 1,387,281.60 is: 2,081,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,548.80 : 3,974,464.80 = 1,387,281.60 : x
  2. Step 2: Convert to fraction form
    2,648,548.80/3,974,464.80 = 1,387,281.60/x
  3. Step 3: Cross multiply
    2,648,548.80x = 3,974,464.80 × 1,387,281.60
  4. Step 4: Simplify right side
    2,648,548.80x = 5,513,701,886,887.68
  5. Step 5: Solve for x
    x = 5,513,701,886,887.68/2,648,548.80
  6. Step 6: Final answer
    x = 2,081,782.25

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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.