Home / 3,121,784.94-4,682,570.49-1,323,510.42

Finding the Fourth Proportional to 3,121,784.94, 4,682,570.49 and 1,323,510.42

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Solution

The fourth proportional to 3,121,784.94, 4,682,570.49 and 1,323,510.42 is: 1,985,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,784.94 : 4,682,570.49 = 1,323,510.42 : x
  2. Step 2: Convert to fraction form
    3,121,784.94/4,682,570.49 = 1,323,510.42/x
  3. Step 3: Cross multiply
    3,121,784.94x = 4,682,570.49 × 1,323,510.42
  4. Step 4: Simplify right side
    3,121,784.94x = 6,197,430,835,899.51
  5. Step 5: Solve for x
    x = 6,197,430,835,899.51/3,121,784.94
  6. Step 6: Final answer
    x = 1,985,220.30

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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.