Home / 1,889,225.87-2,833,851.56-690,655.10

Finding the Fourth Proportional to 1,889,225.87, 2,833,851.56 and 690,655.10

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Solution

The fourth proportional to 1,889,225.87, 2,833,851.56 and 690,655.10 is: 1,035,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,225.87 : 2,833,851.56 = 690,655.10 : x
  2. Step 2: Convert to fraction form
    1,889,225.87/2,833,851.56 = 690,655.10/x
  3. Step 3: Cross multiply
    1,889,225.87x = 2,833,851.56 × 690,655.10
  4. Step 4: Simplify right side
    1,889,225.87x = 1,957,214,014,934.42
  5. Step 5: Solve for x
    x = 1,957,214,014,934.42/1,889,225.87
  6. Step 6: Final answer
    x = 1,035,987.31

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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.