Home / 1,816,213.32-2,506,281.75-1,000,399.41

Finding the Fourth Proportional to 1,816,213.32, 2,506,281.75 and 1,000,399.41

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Solution

The fourth proportional to 1,816,213.32, 2,506,281.75 and 1,000,399.41 is: 1,380,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,213.32 : 2,506,281.75 = 1,000,399.41 : x
  2. Step 2: Convert to fraction form
    1,816,213.32/2,506,281.75 = 1,000,399.41/x
  3. Step 3: Cross multiply
    1,816,213.32x = 2,506,281.75 × 1,000,399.41
  4. Step 4: Simplify right side
    1,816,213.32x = 2,507,282,783,993.77
  5. Step 5: Solve for x
    x = 2,507,282,783,993.77/1,816,213.32
  6. Step 6: Final answer
    x = 1,380,500.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.