Home / 3,612,925.80-4,985,379.36-1,980,903.72

Finding the Fourth Proportional to 3,612,925.80, 4,985,379.36 and 1,980,903.72

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Solution

The fourth proportional to 3,612,925.80, 4,985,379.36 and 1,980,903.72 is: 2,733,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,925.80 : 4,985,379.36 = 1,980,903.72 : x
  2. Step 2: Convert to fraction form
    3,612,925.80/4,985,379.36 = 1,980,903.72/x
  3. Step 3: Cross multiply
    3,612,925.80x = 4,985,379.36 × 1,980,903.72
  4. Step 4: Simplify right side
    3,612,925.80x = 9,875,556,519,835.22
  5. Step 5: Solve for x
    x = 9,875,556,519,835.22/3,612,925.80
  6. Step 6: Final answer
    x = 2,733,395.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.