Home / 4,291,981.80-6,438,969.24-1,259,225.16

Finding the Fourth Proportional to 4,291,981.80, 6,438,969.24 and 1,259,225.16

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Solution

The fourth proportional to 4,291,981.80, 6,438,969.24 and 1,259,225.16 is: 1,889,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291,981.80 : 6,438,969.24 = 1,259,225.16 : x
  2. Step 2: Convert to fraction form
    4,291,981.80/6,438,969.24 = 1,259,225.16/x
  3. Step 3: Cross multiply
    4,291,981.80x = 6,438,969.24 × 1,259,225.16
  4. Step 4: Simplify right side
    4,291,981.80x = 8,108,112,071,474.08
  5. Step 5: Solve for x
    x = 8,108,112,071,474.08/4,291,981.80
  6. Step 6: Final answer
    x = 1,889,130.12

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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.