Home / 2,312,486.70-3,191,237.73-1,280,065.69

Finding the Fourth Proportional to 2,312,486.70, 3,191,237.73 and 1,280,065.69

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Solution

The fourth proportional to 2,312,486.70, 3,191,237.73 and 1,280,065.69 is: 1,766,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,486.70 : 3,191,237.73 = 1,280,065.69 : x
  2. Step 2: Convert to fraction form
    2,312,486.70/3,191,237.73 = 1,280,065.69/x
  3. Step 3: Cross multiply
    2,312,486.70x = 3,191,237.73 × 1,280,065.69
  4. Step 4: Simplify right side
    2,312,486.70x = 4,084,993,909,244.63
  5. Step 5: Solve for x
    x = 4,084,993,909,244.63/2,312,486.70
  6. Step 6: Final answer
    x = 1,766,494.01

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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.