Home / 3,020,748.71-4,531,135.37-1,223,666.21

Finding the Fourth Proportional to 3,020,748.71, 4,531,135.37 and 1,223,666.21

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Solution

The fourth proportional to 3,020,748.71, 4,531,135.37 and 1,223,666.21 is: 1,835,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,748.71 : 4,531,135.37 = 1,223,666.21 : x
  2. Step 2: Convert to fraction form
    3,020,748.71/4,531,135.37 = 1,223,666.21/x
  3. Step 3: Cross multiply
    3,020,748.71x = 4,531,135.37 × 1,223,666.21
  4. Step 4: Simplify right side
    3,020,748.71x = 5,544,597,216,430.84
  5. Step 5: Solve for x
    x = 5,544,597,216,430.84/3,020,748.71
  6. Step 6: Final answer
    x = 1,835,504.29

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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.