Home / 3,105,148.16-4,284,243.96-1,864,436.24

Finding the Fourth Proportional to 3,105,148.16, 4,284,243.96 and 1,864,436.24

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Solution

The fourth proportional to 3,105,148.16, 4,284,243.96 and 1,864,436.24 is: 2,572,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,148.16 : 4,284,243.96 = 1,864,436.24 : x
  2. Step 2: Convert to fraction form
    3,105,148.16/4,284,243.96 = 1,864,436.24/x
  3. Step 3: Cross multiply
    3,105,148.16x = 4,284,243.96 × 1,864,436.24
  4. Step 4: Simplify right side
    3,105,148.16x = 7,987,699,700,025.11
  5. Step 5: Solve for x
    x = 7,987,699,700,025.11/3,105,148.16
  6. Step 6: Final answer
    x = 2,572,405.34

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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.