Home / 2,140,607.00-3,204,611.93-1,428,869.72

Finding the Fourth Proportional to 2,140,607.00, 3,204,611.93 and 1,428,869.72

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Solution

The fourth proportional to 2,140,607.00, 3,204,611.93 and 1,428,869.72 is: 2,139,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,607.00 : 3,204,611.93 = 1,428,869.72 : x
  2. Step 2: Convert to fraction form
    2,140,607.00/3,204,611.93 = 1,428,869.72/x
  3. Step 3: Cross multiply
    2,140,607.00x = 3,204,611.93 × 1,428,869.72
  4. Step 4: Simplify right side
    2,140,607.00x = 4,578,972,927,960.35
  5. Step 5: Solve for x
    x = 4,578,972,927,960.35/2,140,607.00
  6. Step 6: Final answer
    x = 2,139,100.24

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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.