Home / 2,868,947-3,959,146.86-1,579,784.60

Finding the Fourth Proportional to 2,868,947, 3,959,146.86 and 1,579,784.60

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Solution

The fourth proportional to 2,868,947, 3,959,146.86 and 1,579,784.60 is: 2,180,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,947 : 3,959,146.86 = 1,579,784.60 : x
  2. Step 2: Convert to fraction form
    2,868,947/3,959,146.86 = 1,579,784.60/x
  3. Step 3: Cross multiply
    2,868,947x = 3,959,146.86 × 1,579,784.60
  4. Step 4: Simplify right side
    2,868,947x = 6,254,599,238,566.36
  5. Step 5: Solve for x
    x = 6,254,599,238,566.36/2,868,947
  6. Step 6: Final answer
    x = 2,180,102.75

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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.