Home / 4,619,000.80-6,928,501.20-1,423,842.40

Finding the Fourth Proportional to 4,619,000.80, 6,928,501.20 and 1,423,842.40

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Solution

The fourth proportional to 4,619,000.80, 6,928,501.20 and 1,423,842.40 is: 2,135,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619,000.80 : 6,928,501.20 = 1,423,842.40 : x
  2. Step 2: Convert to fraction form
    4,619,000.80/6,928,501.20 = 1,423,842.40/x
  3. Step 3: Cross multiply
    4,619,000.80x = 6,928,501.20 × 1,423,842.40
  4. Step 4: Simplify right side
    4,619,000.80x = 9,865,093,777,010.88
  5. Step 5: Solve for x
    x = 9,865,093,777,010.88/4,619,000.80
  6. Step 6: Final answer
    x = 2,135,763.60

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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.