Home / 3,455,329.60-5,182,994.40-1,657,907.20

Finding the Fourth Proportional to 3,455,329.60, 5,182,994.40 and 1,657,907.20

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Solution

The fourth proportional to 3,455,329.60, 5,182,994.40 and 1,657,907.20 is: 2,486,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,329.60 : 5,182,994.40 = 1,657,907.20 : x
  2. Step 2: Convert to fraction form
    3,455,329.60/5,182,994.40 = 1,657,907.20/x
  3. Step 3: Cross multiply
    3,455,329.60x = 5,182,994.40 × 1,657,907.20
  4. Step 4: Simplify right side
    3,455,329.60x = 8,592,923,733,319.68
  5. Step 5: Solve for x
    x = 8,592,923,733,319.68/3,455,329.60
  6. Step 6: Final answer
    x = 2,486,860.80

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Similar ratio
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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.