Home / 2,909,611.42-4,015,263.75-1,620,451.80

Finding the Fourth Proportional to 2,909,611.42, 4,015,263.75 and 1,620,451.80

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Solution

The fourth proportional to 2,909,611.42, 4,015,263.75 and 1,620,451.80 is: 2,236,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,611.42 : 4,015,263.75 = 1,620,451.80 : x
  2. Step 2: Convert to fraction form
    2,909,611.42/4,015,263.75 = 1,620,451.80/x
  3. Step 3: Cross multiply
    2,909,611.42x = 4,015,263.75 × 1,620,451.80
  4. Step 4: Simplify right side
    2,909,611.42x = 6,506,541,371,162.25
  5. Step 5: Solve for x
    x = 6,506,541,371,162.25/2,909,611.42
  6. Step 6: Final answer
    x = 2,236,223.48

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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.