Home / 2,140,402.08-3,210,935.22-720,347.34

Finding the Fourth Proportional to 2,140,402.08, 3,210,935.22 and 720,347.34

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Solution

The fourth proportional to 2,140,402.08, 3,210,935.22 and 720,347.34 is: 1,080,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,402.08 : 3,210,935.22 = 720,347.34 : x
  2. Step 2: Convert to fraction form
    2,140,402.08/3,210,935.22 = 720,347.34/x
  3. Step 3: Cross multiply
    2,140,402.08x = 3,210,935.22 × 720,347.34
  4. Step 4: Simplify right side
    2,140,402.08x = 2,312,988,644,639.32
  5. Step 5: Solve for x
    x = 2,312,988,644,639.32/2,140,402.08
  6. Step 6: Final answer
    x = 1,080,632.78

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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.