Home / 3,214,985.40-4,828,007.70-3,115,452.60

Finding the Fourth Proportional to 3,214,985.40, 4,828,007.70 and 3,115,452.60

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Solution

The fourth proportional to 3,214,985.40, 4,828,007.70 and 3,115,452.60 is: 4,678,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,985.40 : 4,828,007.70 = 3,115,452.60 : x
  2. Step 2: Convert to fraction form
    3,214,985.40/4,828,007.70 = 3,115,452.60/x
  3. Step 3: Cross multiply
    3,214,985.40x = 4,828,007.70 × 3,115,452.60
  4. Step 4: Simplify right side
    3,214,985.40x = 15,041,429,141,785.02
  5. Step 5: Solve for x
    x = 15,041,429,141,785.02/3,214,985.40
  6. Step 6: Final answer
    x = 4,678,537.31

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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.