Home / 1,999,642.88-3,000,164.10-579,784.16

Finding the Fourth Proportional to 1,999,642.88, 3,000,164.10 and 579,784.16

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Solution

The fourth proportional to 1,999,642.88, 3,000,164.10 and 579,784.16 is: 869,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,642.88 : 3,000,164.10 = 579,784.16 : x
  2. Step 2: Convert to fraction form
    1,999,642.88/3,000,164.10 = 579,784.16/x
  3. Step 3: Cross multiply
    1,999,642.88x = 3,000,164.10 × 579,784.16
  4. Step 4: Simplify right side
    1,999,642.88x = 1,739,447,622,580.66
  5. Step 5: Solve for x
    x = 1,739,447,622,580.66/1,999,642.88
  6. Step 6: Final answer
    x = 869,879.14

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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.