Home / 4,830,405.30-6,666,589.98-3,116,511.72

Finding the Fourth Proportional to 4,830,405.30, 6,666,589.98 and 3,116,511.72

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Solution

The fourth proportional to 4,830,405.30, 6,666,589.98 and 3,116,511.72 is: 4,301,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830,405.30 : 6,666,589.98 = 3,116,511.72 : x
  2. Step 2: Convert to fraction form
    4,830,405.30/6,666,589.98 = 3,116,511.72/x
  3. Step 3: Cross multiply
    4,830,405.30x = 6,666,589.98 × 3,116,511.72
  4. Step 4: Simplify right side
    4,830,405.30x = 20,776,505,805,104.57
  5. Step 5: Solve for x
    x = 20,776,505,805,104.57/4,830,405.30
  6. Step 6: Final answer
    x = 4,301,193.07

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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.