Home / 5,101,488.19-7,039,730.73-2,809,648.87

Finding the Fourth Proportional to 5,101,488.19, 7,039,730.73 and 2,809,648.87

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Solution

The fourth proportional to 5,101,488.19, 7,039,730.73 and 2,809,648.87 is: 3,877,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,488.19 : 7,039,730.73 = 2,809,648.87 : x
  2. Step 2: Convert to fraction form
    5,101,488.19/7,039,730.73 = 2,809,648.87/x
  3. Step 3: Cross multiply
    5,101,488.19x = 7,039,730.73 × 2,809,648.87
  4. Step 4: Simplify right side
    5,101,488.19x = 19,779,171,515,281.98
  5. Step 5: Solve for x
    x = 19,779,171,515,281.98/5,101,488.19
  6. Step 6: Final answer
    x = 3,877,137.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.