Home / 2,312,128.02-3,190,713.16-1,279,637.82

Finding the Fourth Proportional to 2,312,128.02, 3,190,713.16 and 1,279,637.82

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Solution

The fourth proportional to 2,312,128.02, 3,190,713.16 and 1,279,637.82 is: 1,765,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,128.02 : 3,190,713.16 = 1,279,637.82 : x
  2. Step 2: Convert to fraction form
    2,312,128.02/3,190,713.16 = 1,279,637.82/x
  3. Step 3: Cross multiply
    2,312,128.02x = 3,190,713.16 × 1,279,637.82
  4. Step 4: Simplify right side
    2,312,128.02x = 4,082,957,232,307.71
  5. Step 5: Solve for x
    x = 4,082,957,232,307.71/2,312,128.02
  6. Step 6: Final answer
    x = 1,765,887.18

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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.