Home / 5,221,589.16-7,830,470.12-1,808,994.36

Finding the Fourth Proportional to 5,221,589.16, 7,830,470.12 and 1,808,994.36

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Solution

The fourth proportional to 5,221,589.16, 7,830,470.12 and 1,808,994.36 is: 2,712,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,589.16 : 7,830,470.12 = 1,808,994.36 : x
  2. Step 2: Convert to fraction form
    5,221,589.16/7,830,470.12 = 1,808,994.36/x
  3. Step 3: Cross multiply
    5,221,589.16x = 7,830,470.12 × 1,808,994.36
  4. Step 4: Simplify right side
    5,221,589.16x = 14,165,276,274,183.55
  5. Step 5: Solve for x
    x = 14,165,276,274,183.55/5,221,589.16
  6. Step 6: Final answer
    x = 2,712,828.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.