Home / 5,173,962.96-7,140,289.80-2,882,125.20

Finding the Fourth Proportional to 5,173,962.96, 7,140,289.80 and 2,882,125.20

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Solution

The fourth proportional to 5,173,962.96, 7,140,289.80 and 2,882,125.20 is: 3,977,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,962.96 : 7,140,289.80 = 2,882,125.20 : x
  2. Step 2: Convert to fraction form
    5,173,962.96/7,140,289.80 = 2,882,125.20/x
  3. Step 3: Cross multiply
    5,173,962.96x = 7,140,289.80 × 2,882,125.20
  4. Step 4: Simplify right side
    5,173,962.96x = 20,579,209,167,882.96
  5. Step 5: Solve for x
    x = 20,579,209,167,882.96/5,173,962.96
  6. Step 6: Final answer
    x = 3,977,455.84

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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.