Home / 3,854,071.80-5,779,746.90-1,329,139.80

Finding the Fourth Proportional to 3,854,071.80, 5,779,746.90 and 1,329,139.80

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Solution

The fourth proportional to 3,854,071.80, 5,779,746.90 and 1,329,139.80 is: 1,993,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,071.80 : 5,779,746.90 = 1,329,139.80 : x
  2. Step 2: Convert to fraction form
    3,854,071.80/5,779,746.90 = 1,329,139.80/x
  3. Step 3: Cross multiply
    3,854,071.80x = 5,779,746.90 × 1,329,139.80
  4. Step 4: Simplify right side
    3,854,071.80x = 7,682,091,638,716.62
  5. Step 5: Solve for x
    x = 7,682,091,638,716.62/3,854,071.80
  6. Step 6: Final answer
    x = 1,993,240.41

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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.