Home / 3,726,421.12-5,590,813.20-1,330,214.32

Finding the Fourth Proportional to 3,726,421.12, 5,590,813.20 and 1,330,214.32

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Solution

The fourth proportional to 3,726,421.12, 5,590,813.20 and 1,330,214.32 is: 1,995,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726,421.12 : 5,590,813.20 = 1,330,214.32 : x
  2. Step 2: Convert to fraction form
    3,726,421.12/5,590,813.20 = 1,330,214.32/x
  3. Step 3: Cross multiply
    3,726,421.12x = 5,590,813.20 × 1,330,214.32
  4. Step 4: Simplify right side
    3,726,421.12x = 7,436,979,779,085.03
  5. Step 5: Solve for x
    x = 7,436,979,779,085.03/3,726,421.12
  6. Step 6: Final answer
    x = 1,995,743.25

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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.