Home / 1,908,318.78-2,633,485.66-1,048,967.10

Finding the Fourth Proportional to 1,908,318.78, 2,633,485.66 and 1,048,967.10

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Solution

The fourth proportional to 1,908,318.78, 2,633,485.66 and 1,048,967.10 is: 1,447,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,318.78 : 2,633,485.66 = 1,048,967.10 : x
  2. Step 2: Convert to fraction form
    1,908,318.78/2,633,485.66 = 1,048,967.10/x
  3. Step 3: Cross multiply
    1,908,318.78x = 2,633,485.66 × 1,048,967.10
  4. Step 4: Simplify right side
    1,908,318.78x = 2,762,439,815,661.79
  5. Step 5: Solve for x
    x = 2,762,439,815,661.79/1,908,318.78
  6. Step 6: Final answer
    x = 1,447,577.76

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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.