Home / 2,765,116.20-4,147,674.30-1,808,522.40

Finding the Fourth Proportional to 2,765,116.20, 4,147,674.30 and 1,808,522.40

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Solution

The fourth proportional to 2,765,116.20, 4,147,674.30 and 1,808,522.40 is: 2,712,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,116.20 : 4,147,674.30 = 1,808,522.40 : x
  2. Step 2: Convert to fraction form
    2,765,116.20/4,147,674.30 = 1,808,522.40/x
  3. Step 3: Cross multiply
    2,765,116.20x = 4,147,674.30 × 1,808,522.40
  4. Step 4: Simplify right side
    2,765,116.20x = 7,501,161,879,454.32
  5. Step 5: Solve for x
    x = 7,501,161,879,454.32/2,765,116.20
  6. Step 6: Final answer
    x = 2,712,783.60

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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.