Home / 2,909,514.87-4,015,255.08-1,620,355.26

Finding the Fourth Proportional to 2,909,514.87, 4,015,255.08 and 1,620,355.26

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Solution

The fourth proportional to 2,909,514.87, 4,015,255.08 and 1,620,355.26 is: 2,236,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,514.87 : 4,015,255.08 = 1,620,355.26 : x
  2. Step 2: Convert to fraction form
    2,909,514.87/4,015,255.08 = 1,620,355.26/x
  3. Step 3: Cross multiply
    2,909,514.87x = 4,015,255.08 × 1,620,355.26
  4. Step 4: Simplify right side
    2,909,514.87x = 6,506,139,669,043.45
  5. Step 5: Solve for x
    x = 6,506,139,669,043.45/2,909,514.87
  6. Step 6: Final answer
    x = 2,236,159.62

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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.