Home / 3,745,021.17-5,173,420.01-2,980,096.05

Finding the Fourth Proportional to 3,745,021.17, 5,173,420.01 and 2,980,096.05

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Solution

The fourth proportional to 3,745,021.17, 5,173,420.01 and 2,980,096.05 is: 4,116,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,021.17 : 5,173,420.01 = 2,980,096.05 : x
  2. Step 2: Convert to fraction form
    3,745,021.17/5,173,420.01 = 2,980,096.05/x
  3. Step 3: Cross multiply
    3,745,021.17x = 5,173,420.01 × 2,980,096.05
  4. Step 4: Simplify right side
    3,745,021.17x = 15,417,288,521,891.48
  5. Step 5: Solve for x
    x = 15,417,288,521,891.48/3,745,021.17
  6. Step 6: Final answer
    x = 4,116,742.69

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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.