Home / 5,319,215.82-7,979,944.77-1,724,702.58

Finding the Fourth Proportional to 5,319,215.82, 7,979,944.77 and 1,724,702.58

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Solution

The fourth proportional to 5,319,215.82, 7,979,944.77 and 1,724,702.58 is: 2,587,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,215.82 : 7,979,944.77 = 1,724,702.58 : x
  2. Step 2: Convert to fraction form
    5,319,215.82/7,979,944.77 = 1,724,702.58/x
  3. Step 3: Cross multiply
    5,319,215.82x = 7,979,944.77 × 1,724,702.58
  4. Step 4: Simplify right side
    5,319,215.82x = 13,763,031,333,076.51
  5. Step 5: Solve for x
    x = 13,763,031,333,076.51/5,319,215.82
  6. Step 6: Final answer
    x = 2,587,417.36

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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.