Home / 2,916,538.80-4,374,808.20-921,994.80

Finding the Fourth Proportional to 2,916,538.80, 4,374,808.20 and 921,994.80

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Solution

The fourth proportional to 2,916,538.80, 4,374,808.20 and 921,994.80 is: 1,382,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,538.80 : 4,374,808.20 = 921,994.80 : x
  2. Step 2: Convert to fraction form
    2,916,538.80/4,374,808.20 = 921,994.80/x
  3. Step 3: Cross multiply
    2,916,538.80x = 4,374,808.20 × 921,994.80
  4. Step 4: Simplify right side
    2,916,538.80x = 4,033,550,411,397.36
  5. Step 5: Solve for x
    x = 4,033,550,411,397.36/2,916,538.80
  6. Step 6: Final answer
    x = 1,382,992.20

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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.