Home / 2,778,419.80-4,170,254.10-1,715,537.80

Finding the Fourth Proportional to 2,778,419.80, 4,170,254.10 and 1,715,537.80

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Solution

The fourth proportional to 2,778,419.80, 4,170,254.10 and 1,715,537.80 is: 2,574,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,419.80 : 4,170,254.10 = 1,715,537.80 : x
  2. Step 2: Convert to fraction form
    2,778,419.80/4,170,254.10 = 1,715,537.80/x
  3. Step 3: Cross multiply
    2,778,419.80x = 4,170,254.10 × 1,715,537.80
  4. Step 4: Simplify right side
    2,778,419.80x = 7,154,228,544,154.98
  5. Step 5: Solve for x
    x = 7,154,228,544,154.98/2,778,419.80
  6. Step 6: Final answer
    x = 2,574,927.14

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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.