Home / 2,210,064.80-3,315,121.80-612,641.76

Finding the Fourth Proportional to 2,210,064.80, 3,315,121.80 and 612,641.76

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Solution

The fourth proportional to 2,210,064.80, 3,315,121.80 and 612,641.76 is: 918,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,064.80 : 3,315,121.80 = 612,641.76 : x
  2. Step 2: Convert to fraction form
    2,210,064.80/3,315,121.80 = 612,641.76/x
  3. Step 3: Cross multiply
    2,210,064.80x = 3,315,121.80 × 612,641.76
  4. Step 4: Simplify right side
    2,210,064.80x = 2,030,982,054,166.37
  5. Step 5: Solve for x
    x = 2,030,982,054,166.37/2,210,064.80
  6. Step 6: Final answer
    x = 918,969.46

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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.