Home / 1,810,837.02-2,497,242.16-1,189,545.30

Finding the Fourth Proportional to 1,810,837.02, 2,497,242.16 and 1,189,545.30

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Solution

The fourth proportional to 1,810,837.02, 2,497,242.16 and 1,189,545.30 is: 1,640,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,837.02 : 2,497,242.16 = 1,189,545.30 : x
  2. Step 2: Convert to fraction form
    1,810,837.02/2,497,242.16 = 1,189,545.30/x
  3. Step 3: Cross multiply
    1,810,837.02x = 2,497,242.16 × 1,189,545.30
  4. Step 4: Simplify right side
    1,810,837.02x = 2,970,582,674,389.85
  5. Step 5: Solve for x
    x = 2,970,582,674,389.85/1,810,837.02
  6. Step 6: Final answer
    x = 1,640,447.29

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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.