Home / 3,164,557.86-4,746,836.80-768,386.36

Finding the Fourth Proportional to 3,164,557.86, 4,746,836.80 and 768,386.36

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Solution

The fourth proportional to 3,164,557.86, 4,746,836.80 and 768,386.36 is: 1,152,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164,557.86 : 4,746,836.80 = 768,386.36 : x
  2. Step 2: Convert to fraction form
    3,164,557.86/4,746,836.80 = 768,386.36/x
  3. Step 3: Cross multiply
    3,164,557.86x = 4,746,836.80 × 768,386.36
  4. Step 4: Simplify right side
    3,164,557.86x = 3,647,404,650,266.05
  5. Step 5: Solve for x
    x = 3,647,404,650,266.05/3,164,557.86
  6. Step 6: Final answer
    x = 1,152,579.54

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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.