Home / 2,688,938.92-4,033,403.38-842,592.19

Finding the Fourth Proportional to 2,688,938.92, 4,033,403.38 and 842,592.19

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Solution

The fourth proportional to 2,688,938.92, 4,033,403.38 and 842,592.19 is: 1,263,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,938.92 : 4,033,403.38 = 842,592.19 : x
  2. Step 2: Convert to fraction form
    2,688,938.92/4,033,403.38 = 842,592.19/x
  3. Step 3: Cross multiply
    2,688,938.92x = 4,033,403.38 × 842,592.19
  4. Step 4: Simplify right side
    2,688,938.92x = 3,398,514,187,883.34
  5. Step 5: Solve for x
    x = 3,398,514,187,883.34/2,688,938.92
  6. Step 6: Final answer
    x = 1,263,886.72

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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.