Home / 2,808,065.40-4,210,542.90-1,210,356.60

Finding the Fourth Proportional to 2,808,065.40, 4,210,542.90 and 1,210,356.60

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Solution

The fourth proportional to 2,808,065.40, 4,210,542.90 and 1,210,356.60 is: 1,814,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,065.40 : 4,210,542.90 = 1,210,356.60 : x
  2. Step 2: Convert to fraction form
    2,808,065.40/4,210,542.90 = 1,210,356.60/x
  3. Step 3: Cross multiply
    2,808,065.40x = 4,210,542.90 × 1,210,356.60
  4. Step 4: Simplify right side
    2,808,065.40x = 5,096,258,388,598.14
  5. Step 5: Solve for x
    x = 5,096,258,388,598.14/2,808,065.40
  6. Step 6: Final answer
    x = 1,814,864.56

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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.