Home / 2,621,020.77-3,929,925.60-1,021,715.46

Finding the Fourth Proportional to 2,621,020.77, 3,929,925.60 and 1,021,715.46

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Solution

The fourth proportional to 2,621,020.77, 3,929,925.60 and 1,021,715.46 is: 1,531,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,020.77 : 3,929,925.60 = 1,021,715.46 : x
  2. Step 2: Convert to fraction form
    2,621,020.77/3,929,925.60 = 1,021,715.46/x
  3. Step 3: Cross multiply
    2,621,020.77x = 3,929,925.60 × 1,021,715.46
  4. Step 4: Simplify right side
    2,621,020.77x = 4,015,265,742,169.78
  5. Step 5: Solve for x
    x = 4,015,265,742,169.78/2,621,020.77
  6. Step 6: Final answer
    x = 1,531,947.32

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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.