Home / 2,103,406.02-3,153,847.86-1,021,788.65

Finding the Fourth Proportional to 2,103,406.02, 3,153,847.86 and 1,021,788.65

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Solution

The fourth proportional to 2,103,406.02, 3,153,847.86 and 1,021,788.65 is: 1,532,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,406.02 : 3,153,847.86 = 1,021,788.65 : x
  2. Step 2: Convert to fraction form
    2,103,406.02/3,153,847.86 = 1,021,788.65/x
  3. Step 3: Cross multiply
    2,103,406.02x = 3,153,847.86 × 1,021,788.65
  4. Step 4: Simplify right side
    2,103,406.02x = 3,222,565,947,174.79
  5. Step 5: Solve for x
    x = 3,222,565,947,174.79/2,103,406.02
  6. Step 6: Final answer
    x = 1,532,070.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.