Home / 2,129,511.33-2,938,710.29-1,162,641.62

Finding the Fourth Proportional to 2,129,511.33, 2,938,710.29 and 1,162,641.62

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Solution

The fourth proportional to 2,129,511.33, 2,938,710.29 and 1,162,641.62 is: 1,604,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,511.33 : 2,938,710.29 = 1,162,641.62 : x
  2. Step 2: Convert to fraction form
    2,129,511.33/2,938,710.29 = 1,162,641.62/x
  3. Step 3: Cross multiply
    2,129,511.33x = 2,938,710.29 × 1,162,641.62
  4. Step 4: Simplify right side
    2,129,511.33x = 3,416,666,902,529.65
  5. Step 5: Solve for x
    x = 3,416,666,902,529.65/2,129,511.33
  6. Step 6: Final answer
    x = 1,604,437.06

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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.