Home / 1,980,051.18-2,971,326.23-842,811.54

Finding the Fourth Proportional to 1,980,051.18, 2,971,326.23 and 842,811.54

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Solution

The fourth proportional to 1,980,051.18, 2,971,326.23 and 842,811.54 is: 1,264,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,051.18 : 2,971,326.23 = 842,811.54 : x
  2. Step 2: Convert to fraction form
    1,980,051.18/2,971,326.23 = 842,811.54/x
  3. Step 3: Cross multiply
    1,980,051.18x = 2,971,326.23 × 842,811.54
  4. Step 4: Simplify right side
    1,980,051.18x = 2,504,268,035,748.69
  5. Step 5: Solve for x
    x = 2,504,268,035,748.69/1,980,051.18
  6. Step 6: Final answer
    x = 1,264,749.14

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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.