Home / 2,145,651.10-2,961,050.70-1,178,844

Finding the Fourth Proportional to 2,145,651.10, 2,961,050.70 and 1,178,844

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Solution

The fourth proportional to 2,145,651.10, 2,961,050.70 and 1,178,844 is: 1,626,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,651.10 : 2,961,050.70 = 1,178,844 : x
  2. Step 2: Convert to fraction form
    2,145,651.10/2,961,050.70 = 1,178,844/x
  3. Step 3: Cross multiply
    2,145,651.10x = 2,961,050.70 × 1,178,844
  4. Step 4: Simplify right side
    2,145,651.10x = 3,490,616,851,390.80
  5. Step 5: Solve for x
    x = 3,490,616,851,390.80/2,145,651.10
  6. Step 6: Final answer
    x = 1,626,833.39

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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.