Home / 4,002,421.59-5,523,344.10-2,166,880.32

Finding the Fourth Proportional to 4,002,421.59, 5,523,344.10 and 2,166,880.32

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Solution

The fourth proportional to 4,002,421.59, 5,523,344.10 and 2,166,880.32 is: 2,990,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,421.59 : 5,523,344.10 = 2,166,880.32 : x
  2. Step 2: Convert to fraction form
    4,002,421.59/5,523,344.10 = 2,166,880.32/x
  3. Step 3: Cross multiply
    4,002,421.59x = 5,523,344.10 × 2,166,880.32
  4. Step 4: Simplify right side
    4,002,421.59x = 11,968,425,630,878.11
  5. Step 5: Solve for x
    x = 11,968,425,630,878.11/4,002,421.59
  6. Step 6: Final answer
    x = 2,990,296.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.