Home / 3,620,108.40-5,432,130.90-1,490,407.80

Finding the Fourth Proportional to 3,620,108.40, 5,432,130.90 and 1,490,407.80

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Solution

The fourth proportional to 3,620,108.40, 5,432,130.90 and 1,490,407.80 is: 2,236,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,108.40 : 5,432,130.90 = 1,490,407.80 : x
  2. Step 2: Convert to fraction form
    3,620,108.40/5,432,130.90 = 1,490,407.80/x
  3. Step 3: Cross multiply
    3,620,108.40x = 5,432,130.90 × 1,490,407.80
  4. Step 4: Simplify right side
    3,620,108.40x = 8,096,090,263,981.02
  5. Step 5: Solve for x
    x = 8,096,090,263,981.02/3,620,108.40
  6. Step 6: Final answer
    x = 2,236,422.05

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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.