Home / 2,140,403.58-3,210,937.47-720,348.84

Finding the Fourth Proportional to 2,140,403.58, 3,210,937.47 and 720,348.84

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Solution

The fourth proportional to 2,140,403.58, 3,210,937.47 and 720,348.84 is: 1,080,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,403.58 : 3,210,937.47 = 720,348.84 : x
  2. Step 2: Convert to fraction form
    2,140,403.58/3,210,937.47 = 720,348.84/x
  3. Step 3: Cross multiply
    2,140,403.58x = 3,210,937.47 × 720,348.84
  4. Step 4: Simplify right side
    2,140,403.58x = 2,312,995,081,827.03
  5. Step 5: Solve for x
    x = 2,312,995,081,827.03/2,140,403.58
  6. Step 6: Final answer
    x = 1,080,635.03

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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.