Home / 5,173,957.96-7,140,282.90-2,882,120.20

Finding the Fourth Proportional to 5,173,957.96, 7,140,282.90 and 2,882,120.20

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Solution

The fourth proportional to 5,173,957.96, 7,140,282.90 and 2,882,120.20 is: 3,977,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,957.96 : 7,140,282.90 = 2,882,120.20 : x
  2. Step 2: Convert to fraction form
    5,173,957.96/7,140,282.90 = 2,882,120.20/x
  3. Step 3: Cross multiply
    5,173,957.96x = 7,140,282.90 × 2,882,120.20
  4. Step 4: Simplify right side
    5,173,957.96x = 20,579,153,579,804.58
  5. Step 5: Solve for x
    x = 20,579,153,579,804.58/5,173,957.96
  6. Step 6: Final answer
    x = 3,977,448.94

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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.