Home / 2,431,643.18-3,643,857.80-990,566.16

Finding the Fourth Proportional to 2,431,643.18, 3,643,857.80 and 990,566.16

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Solution

The fourth proportional to 2,431,643.18, 3,643,857.80 and 990,566.16 is: 1,484,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,643.18 : 3,643,857.80 = 990,566.16 : x
  2. Step 2: Convert to fraction form
    2,431,643.18/3,643,857.80 = 990,566.16/x
  3. Step 3: Cross multiply
    2,431,643.18x = 3,643,857.80 × 990,566.16
  4. Step 4: Simplify right side
    2,431,643.18x = 3,609,482,223,579.22
  5. Step 5: Solve for x
    x = 3,609,482,223,579.22/2,431,643.18
  6. Step 6: Final answer
    x = 1,484,379.89

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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.