Home / 5,419,379.08-7,478,055.77-2,971,345.94

Finding the Fourth Proportional to 5,419,379.08, 7,478,055.77 and 2,971,345.94

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Solution

The fourth proportional to 5,419,379.08, 7,478,055.77 and 2,971,345.94 is: 4,100,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,379.08 : 7,478,055.77 = 2,971,345.94 : x
  2. Step 2: Convert to fraction form
    5,419,379.08/7,478,055.77 = 2,971,345.94/x
  3. Step 3: Cross multiply
    5,419,379.08x = 7,478,055.77 × 2,971,345.94
  4. Step 4: Simplify right side
    5,419,379.08x = 22,219,890,636,426.34
  5. Step 5: Solve for x
    x = 22,219,890,636,426.34/5,419,379.08
  6. Step 6: Final answer
    x = 4,100,080.53

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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.