Home / 3,207,142.61-4,810,673.77-778,315.98

Finding the Fourth Proportional to 3,207,142.61, 4,810,673.77 and 778,315.98

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Solution

The fourth proportional to 3,207,142.61, 4,810,673.77 and 778,315.98 is: 1,167,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,142.61 : 4,810,673.77 = 778,315.98 : x
  2. Step 2: Convert to fraction form
    3,207,142.61/4,810,673.77 = 778,315.98/x
  3. Step 3: Cross multiply
    3,207,142.61x = 4,810,673.77 × 778,315.98
  4. Step 4: Simplify right side
    3,207,142.61x = 3,744,224,272,322.06
  5. Step 5: Solve for x
    x = 3,744,224,272,322.06/3,207,142.61
  6. Step 6: Final answer
    x = 1,167,464.23

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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.