Home / 2,689,130.28-4,034,483.70-867,458.84

Finding the Fourth Proportional to 2,689,130.28, 4,034,483.70 and 867,458.84

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Solution

The fourth proportional to 2,689,130.28, 4,034,483.70 and 867,458.84 is: 1,301,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,130.28 : 4,034,483.70 = 867,458.84 : x
  2. Step 2: Convert to fraction form
    2,689,130.28/4,034,483.70 = 867,458.84/x
  3. Step 3: Cross multiply
    2,689,130.28x = 4,034,483.70 × 867,458.84
  4. Step 4: Simplify right side
    2,689,130.28x = 3,499,748,550,400.91
  5. Step 5: Solve for x
    x = 3,499,748,550,400.91/2,689,130.28
  6. Step 6: Final answer
    x = 1,301,442.54

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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.