Home / 4,985,371.80-7,478,057.70-1,619,578.80

Finding the Fourth Proportional to 4,985,371.80, 7,478,057.70 and 1,619,578.80

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Solution

The fourth proportional to 4,985,371.80, 7,478,057.70 and 1,619,578.80 is: 2,429,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,371.80 : 7,478,057.70 = 1,619,578.80 : x
  2. Step 2: Convert to fraction form
    4,985,371.80/7,478,057.70 = 1,619,578.80/x
  3. Step 3: Cross multiply
    4,985,371.80x = 7,478,057.70 × 1,619,578.80
  4. Step 4: Simplify right side
    4,985,371.80x = 12,111,303,716,096.76
  5. Step 5: Solve for x
    x = 12,111,303,716,096.76/4,985,371.80
  6. Step 6: Final answer
    x = 2,429,368.20

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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.