Home / 5,112,467.60-7,668,701.40-2,587,794.80

Finding the Fourth Proportional to 5,112,467.60, 7,668,701.40 and 2,587,794.80

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Solution

The fourth proportional to 5,112,467.60, 7,668,701.40 and 2,587,794.80 is: 3,881,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,467.60 : 7,668,701.40 = 2,587,794.80 : x
  2. Step 2: Convert to fraction form
    5,112,467.60/7,668,701.40 = 2,587,794.80/x
  3. Step 3: Cross multiply
    5,112,467.60x = 7,668,701.40 × 2,587,794.80
  4. Step 4: Simplify right side
    5,112,467.60x = 19,845,025,605,672.72
  5. Step 5: Solve for x
    x = 19,845,025,605,672.72/5,112,467.60
  6. Step 6: Final answer
    x = 3,881,692.20

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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.