Home / 6,467,503.72-9,703,302.72-1,918,570.36

Finding the Fourth Proportional to 6,467,503.72, 9,703,302.72 and 1,918,570.36

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Solution

The fourth proportional to 6,467,503.72, 9,703,302.72 and 1,918,570.36 is: 2,878,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,503.72 : 9,703,302.72 = 1,918,570.36 : x
  2. Step 2: Convert to fraction form
    6,467,503.72/9,703,302.72 = 1,918,570.36/x
  3. Step 3: Cross multiply
    6,467,503.72x = 9,703,302.72 × 1,918,570.36
  4. Step 4: Simplify right side
    6,467,503.72x = 18,616,468,992,699.38
  5. Step 5: Solve for x
    x = 18,616,468,992,699.38/6,467,503.72
  6. Step 6: Final answer
    x = 2,878,462.82

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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.