Home / 4,178,607-6,268,371.30-1,338,051.48

Finding the Fourth Proportional to 4,178,607, 6,268,371.30 and 1,338,051.48

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Solution

The fourth proportional to 4,178,607, 6,268,371.30 and 1,338,051.48 is: 2,007,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,607 : 6,268,371.30 = 1,338,051.48 : x
  2. Step 2: Convert to fraction form
    4,178,607/6,268,371.30 = 1,338,051.48/x
  3. Step 3: Cross multiply
    4,178,607x = 6,268,371.30 × 1,338,051.48
  4. Step 4: Simplify right side
    4,178,607x = 8,387,403,495,154.52
  5. Step 5: Solve for x
    x = 8,387,403,495,154.52/4,178,607
  6. Step 6: Final answer
    x = 2,007,224.77

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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.