Home / 2,909,860.23-4,015,731.74-1,620,700.95

Finding the Fourth Proportional to 2,909,860.23, 4,015,731.74 and 1,620,700.95

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Solution

The fourth proportional to 2,909,860.23, 4,015,731.74 and 1,620,700.95 is: 2,236,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,860.23 : 4,015,731.74 = 1,620,700.95 : x
  2. Step 2: Convert to fraction form
    2,909,860.23/4,015,731.74 = 1,620,700.95/x
  3. Step 3: Cross multiply
    2,909,860.23x = 4,015,731.74 × 1,620,700.95
  4. Step 4: Simplify right side
    2,909,860.23x = 6,508,300,237,859.65
  5. Step 5: Solve for x
    x = 6,508,300,237,859.65/2,909,860.23
  6. Step 6: Final answer
    x = 2,236,636.72

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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.