Home / 2,072,707.20-3,109,060.80-1,470,407.40

Finding the Fourth Proportional to 2,072,707.20, 3,109,060.80 and 1,470,407.40

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Solution

The fourth proportional to 2,072,707.20, 3,109,060.80 and 1,470,407.40 is: 2,205,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,707.20 : 3,109,060.80 = 1,470,407.40 : x
  2. Step 2: Convert to fraction form
    2,072,707.20/3,109,060.80 = 1,470,407.40/x
  3. Step 3: Cross multiply
    2,072,707.20x = 3,109,060.80 × 1,470,407.40
  4. Step 4: Simplify right side
    2,072,707.20x = 4,571,586,007,369.92
  5. Step 5: Solve for x
    x = 4,571,586,007,369.92/2,072,707.20
  6. Step 6: Final answer
    x = 2,205,611.10

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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.