Home / 1,621,023.74-2,429,542.69-909,557.10

Finding the Fourth Proportional to 1,621,023.74, 2,429,542.69 and 909,557.10

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Solution

The fourth proportional to 1,621,023.74, 2,429,542.69 and 909,557.10 is: 1,363,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,023.74 : 2,429,542.69 = 909,557.10 : x
  2. Step 2: Convert to fraction form
    1,621,023.74/2,429,542.69 = 909,557.10/x
  3. Step 3: Cross multiply
    1,621,023.74x = 2,429,542.69 × 909,557.10
  4. Step 4: Simplify right side
    1,621,023.74x = 2,209,807,801,168.71
  5. Step 5: Solve for x
    x = 2,209,807,801,168.71/1,621,023.74
  6. Step 6: Final answer
    x = 1,363,217.42

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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.