Home / 3,012,987.87-4,519,779.48-990,411.39

Finding the Fourth Proportional to 3,012,987.87, 4,519,779.48 and 990,411.39

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Solution

The fourth proportional to 3,012,987.87, 4,519,779.48 and 990,411.39 is: 1,485,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,987.87 : 4,519,779.48 = 990,411.39 : x
  2. Step 2: Convert to fraction form
    3,012,987.87/4,519,779.48 = 990,411.39/x
  3. Step 3: Cross multiply
    3,012,987.87x = 4,519,779.48 × 990,411.39
  4. Step 4: Simplify right side
    3,012,987.87x = 4,476,441,077,280.28
  5. Step 5: Solve for x
    x = 4,476,441,077,280.28/3,012,987.87
  6. Step 6: Final answer
    x = 1,485,714.93

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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.