Home / 2,326,855.87-3,490,342.13-643,973.95

Finding the Fourth Proportional to 2,326,855.87, 3,490,342.13 and 643,973.95

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Solution

The fourth proportional to 2,326,855.87, 3,490,342.13 and 643,973.95 is: 965,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,855.87 : 3,490,342.13 = 643,973.95 : x
  2. Step 2: Convert to fraction form
    2,326,855.87/3,490,342.13 = 643,973.95/x
  3. Step 3: Cross multiply
    2,326,855.87x = 3,490,342.13 × 643,973.95
  4. Step 4: Simplify right side
    2,326,855.87x = 2,247,689,408,307.51
  5. Step 5: Solve for x
    x = 2,247,689,408,307.51/2,326,855.87
  6. Step 6: Final answer
    x = 965,977.07

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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.