Home / 2,290,421.80-3,435,632.70-2,069,972.20

Finding the Fourth Proportional to 2,290,421.80, 3,435,632.70 and 2,069,972.20

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Solution

The fourth proportional to 2,290,421.80, 3,435,632.70 and 2,069,972.20 is: 3,104,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,421.80 : 3,435,632.70 = 2,069,972.20 : x
  2. Step 2: Convert to fraction form
    2,290,421.80/3,435,632.70 = 2,069,972.20/x
  3. Step 3: Cross multiply
    2,290,421.80x = 3,435,632.70 × 2,069,972.20
  4. Step 4: Simplify right side
    2,290,421.80x = 7,111,664,178,410.94
  5. Step 5: Solve for x
    x = 7,111,664,178,410.94/2,290,421.80
  6. Step 6: Final answer
    x = 3,104,958.30

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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.