Home / 5,186,909.40-7,157,943.18-2,895,069.48

Finding the Fourth Proportional to 5,186,909.40, 7,157,943.18 and 2,895,069.48

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Solution

The fourth proportional to 5,186,909.40, 7,157,943.18 and 2,895,069.48 is: 3,995,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,909.40 : 7,157,943.18 = 2,895,069.48 : x
  2. Step 2: Convert to fraction form
    5,186,909.40/7,157,943.18 = 2,895,069.48/x
  3. Step 3: Cross multiply
    5,186,909.40x = 7,157,943.18 × 2,895,069.48
  4. Step 4: Simplify right side
    5,186,909.40x = 20,722,742,839,992.14
  5. Step 5: Solve for x
    x = 20,722,742,839,992.14/5,186,909.40
  6. Step 6: Final answer
    x = 3,995,200.46

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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.