Home / 1,551,380.45-2,139,400.55-1,035,155.30

Finding the Fourth Proportional to 1,551,380.45, 2,139,400.55 and 1,035,155.30

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Solution

The fourth proportional to 1,551,380.45, 2,139,400.55 and 1,035,155.30 is: 1,427,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,380.45 : 2,139,400.55 = 1,035,155.30 : x
  2. Step 2: Convert to fraction form
    1,551,380.45/2,139,400.55 = 1,035,155.30/x
  3. Step 3: Cross multiply
    1,551,380.45x = 2,139,400.55 × 1,035,155.30
  4. Step 4: Simplify right side
    1,551,380.45x = 2,214,611,810,046.30
  5. Step 5: Solve for x
    x = 2,214,611,810,046.30/1,551,380.45
  6. Step 6: Final answer
    x = 1,427,510.46

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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.