Home / 2,821,409.10-4,232,113.65-2,779,418.70

Finding the Fourth Proportional to 2,821,409.10, 4,232,113.65 and 2,779,418.70

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Solution

The fourth proportional to 2,821,409.10, 4,232,113.65 and 2,779,418.70 is: 4,169,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,409.10 : 4,232,113.65 = 2,779,418.70 : x
  2. Step 2: Convert to fraction form
    2,821,409.10/4,232,113.65 = 2,779,418.70/x
  3. Step 3: Cross multiply
    2,821,409.10x = 4,232,113.65 × 2,779,418.70
  4. Step 4: Simplify right side
    2,821,409.10x = 11,762,815,819,335.26
  5. Step 5: Solve for x
    x = 11,762,815,819,335.26/2,821,409.10
  6. Step 6: Final answer
    x = 4,169,128.05

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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.