Home / 2,166,314.80-2,989,607.79-1,199,445.08

Finding the Fourth Proportional to 2,166,314.80, 2,989,607.79 and 1,199,445.08

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Solution

The fourth proportional to 2,166,314.80, 2,989,607.79 and 1,199,445.08 is: 1,655,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,314.80 : 2,989,607.79 = 1,199,445.08 : x
  2. Step 2: Convert to fraction form
    2,166,314.80/2,989,607.79 = 1,199,445.08/x
  3. Step 3: Cross multiply
    2,166,314.80x = 2,989,607.79 × 1,199,445.08
  4. Step 4: Simplify right side
    2,166,314.80x = 3,585,870,349,442.79
  5. Step 5: Solve for x
    x = 3,585,870,349,442.79/2,166,314.80
  6. Step 6: Final answer
    x = 1,655,285.91

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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.