Home / 5,478,575.39-7,558,598.08-3,155,421.40

Finding the Fourth Proportional to 5,478,575.39, 7,558,598.08 and 3,155,421.40

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Solution

The fourth proportional to 5,478,575.39, 7,558,598.08 and 3,155,421.40 is: 4,353,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,575.39 : 7,558,598.08 = 3,155,421.40 : x
  2. Step 2: Convert to fraction form
    5,478,575.39/7,558,598.08 = 3,155,421.40/x
  3. Step 3: Cross multiply
    5,478,575.39x = 7,558,598.08 × 3,155,421.40
  4. Step 4: Simplify right side
    5,478,575.39x = 23,850,562,135,630.91
  5. Step 5: Solve for x
    x = 23,850,562,135,630.91/5,478,575.39
  6. Step 6: Final answer
    x = 4,353,424.10

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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.