Home / 5,346,031.80-8,019,047.70-3,645,420.60

Finding the Fourth Proportional to 5,346,031.80, 8,019,047.70 and 3,645,420.60

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Solution

The fourth proportional to 5,346,031.80, 8,019,047.70 and 3,645,420.60 is: 5,468,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,031.80 : 8,019,047.70 = 3,645,420.60 : x
  2. Step 2: Convert to fraction form
    5,346,031.80/8,019,047.70 = 3,645,420.60/x
  3. Step 3: Cross multiply
    5,346,031.80x = 8,019,047.70 × 3,645,420.60
  4. Step 4: Simplify right side
    5,346,031.80x = 29,232,801,677,962.62
  5. Step 5: Solve for x
    x = 29,232,801,677,962.62/5,346,031.80
  6. Step 6: Final answer
    x = 5,468,130.90

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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.