Home / 2,086,678.08-3,130,466.40-647,332.32

Finding the Fourth Proportional to 2,086,678.08, 3,130,466.40 and 647,332.32

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Solution

The fourth proportional to 2,086,678.08, 3,130,466.40 and 647,332.32 is: 971,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,678.08 : 3,130,466.40 = 647,332.32 : x
  2. Step 2: Convert to fraction form
    2,086,678.08/3,130,466.40 = 647,332.32/x
  3. Step 3: Cross multiply
    2,086,678.08x = 3,130,466.40 × 647,332.32
  4. Step 4: Simplify right side
    2,086,678.08x = 2,026,452,077,394.05
  5. Step 5: Solve for x
    x = 2,026,452,077,394.05/2,086,678.08
  6. Step 6: Final answer
    x = 971,137.86

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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.