Home / 2,140,294.60-3,210,923.04-720,309.52

Finding the Fourth Proportional to 2,140,294.60, 3,210,923.04 and 720,309.52

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Solution

The fourth proportional to 2,140,294.60, 3,210,923.04 and 720,309.52 is: 1,080,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,294.60 : 3,210,923.04 = 720,309.52 : x
  2. Step 2: Convert to fraction form
    2,140,294.60/3,210,923.04 = 720,309.52/x
  3. Step 3: Cross multiply
    2,140,294.60x = 3,210,923.04 × 720,309.52
  4. Step 4: Simplify right side
    2,140,294.60x = 2,312,858,433,699.34
  5. Step 5: Solve for x
    x = 2,312,858,433,699.34/2,140,294.60
  6. Step 6: Final answer
    x = 1,080,626.21

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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.