Home / 2,803,589.42-4,205,323.75-781,779.45

Finding the Fourth Proportional to 2,803,589.42, 4,205,323.75 and 781,779.45

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Solution

The fourth proportional to 2,803,589.42, 4,205,323.75 and 781,779.45 is: 1,172,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,589.42 : 4,205,323.75 = 781,779.45 : x
  2. Step 2: Convert to fraction form
    2,803,589.42/4,205,323.75 = 781,779.45/x
  3. Step 3: Cross multiply
    2,803,589.42x = 4,205,323.75 × 781,779.45
  4. Step 4: Simplify right side
    2,803,589.42x = 3,287,635,682,172.10
  5. Step 5: Solve for x
    x = 3,287,635,682,172.10/2,803,589.42
  6. Step 6: Final answer
    x = 1,172,652.34

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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.