Home / 2,806,492.80-4,204,900.80-1,307,510.40

Finding the Fourth Proportional to 2,806,492.80, 4,204,900.80 and 1,307,510.40

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Solution

The fourth proportional to 2,806,492.80, 4,204,900.80 and 1,307,510.40 is: 1,959,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,492.80 : 4,204,900.80 = 1,307,510.40 : x
  2. Step 2: Convert to fraction form
    2,806,492.80/4,204,900.80 = 1,307,510.40/x
  3. Step 3: Cross multiply
    2,806,492.80x = 4,204,900.80 × 1,307,510.40
  4. Step 4: Simplify right side
    2,806,492.80x = 5,497,951,526,968.32
  5. Step 5: Solve for x
    x = 5,497,951,526,968.32/2,806,492.80
  6. Step 6: Final answer
    x = 1,959,011.45

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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.