Home / 3,200,256.80-4,788,575.40-2,916,821.60

Finding the Fourth Proportional to 3,200,256.80, 4,788,575.40 and 2,916,821.60

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Solution

The fourth proportional to 3,200,256.80, 4,788,575.40 and 2,916,821.60 is: 4,364,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,256.80 : 4,788,575.40 = 2,916,821.60 : x
  2. Step 2: Convert to fraction form
    3,200,256.80/4,788,575.40 = 2,916,821.60/x
  3. Step 3: Cross multiply
    3,200,256.80x = 4,788,575.40 × 2,916,821.60
  4. Step 4: Simplify right side
    3,200,256.80x = 13,967,420,159,948.64
  5. Step 5: Solve for x
    x = 13,967,420,159,948.64/3,200,256.80
  6. Step 6: Final answer
    x = 4,364,468.55

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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.