Home / 2,803,496.40-4,207,212.90-1,207,205.10

Finding the Fourth Proportional to 2,803,496.40, 4,207,212.90 and 1,207,205.10

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Solution

The fourth proportional to 2,803,496.40, 4,207,212.90 and 1,207,205.10 is: 1,811,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,496.40 : 4,207,212.90 = 1,207,205.10 : x
  2. Step 2: Convert to fraction form
    2,803,496.40/4,207,212.90 = 1,207,205.10/x
  3. Step 3: Cross multiply
    2,803,496.40x = 4,207,212.90 × 1,207,205.10
  4. Step 4: Simplify right side
    2,803,496.40x = 5,078,968,869,665.79
  5. Step 5: Solve for x
    x = 5,078,968,869,665.79/2,803,496.40
  6. Step 6: Final answer
    x = 1,811,655.21

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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.