Home / 1,816,105.64-2,506,242.66-1,000,312.28

Finding the Fourth Proportional to 1,816,105.64, 2,506,242.66 and 1,000,312.28

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Solution

The fourth proportional to 1,816,105.64, 2,506,242.66 and 1,000,312.28 is: 1,380,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,105.64 : 2,506,242.66 = 1,000,312.28 : x
  2. Step 2: Convert to fraction form
    1,816,105.64/2,506,242.66 = 1,000,312.28/x
  3. Step 3: Cross multiply
    1,816,105.64x = 2,506,242.66 × 1,000,312.28
  4. Step 4: Simplify right side
    1,816,105.64x = 2,507,025,309,457.87
  5. Step 5: Solve for x
    x = 2,507,025,309,457.87/1,816,105.64
  6. Step 6: Final answer
    x = 1,380,440.24

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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.