Home / 2,210,038.40-3,314,729.52-612,434.90

Finding the Fourth Proportional to 2,210,038.40, 3,314,729.52 and 612,434.90

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Solution

The fourth proportional to 2,210,038.40, 3,314,729.52 and 612,434.90 is: 918,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,038.40 : 3,314,729.52 = 612,434.90 : x
  2. Step 2: Convert to fraction form
    2,210,038.40/3,314,729.52 = 612,434.90/x
  3. Step 3: Cross multiply
    2,210,038.40x = 3,314,729.52 × 612,434.90
  4. Step 4: Simplify right side
    2,210,038.40x = 2,030,056,042,108.25
  5. Step 5: Solve for x
    x = 2,030,056,042,108.25/2,210,038.40
  6. Step 6: Final answer
    x = 918,561.43

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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.