Home / 3,141,946.51-4,712,912.80-836,440.21

Finding the Fourth Proportional to 3,141,946.51, 4,712,912.80 and 836,440.21

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Solution

The fourth proportional to 3,141,946.51, 4,712,912.80 and 836,440.21 is: 1,254,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,946.51 : 4,712,912.80 = 836,440.21 : x
  2. Step 2: Convert to fraction form
    3,141,946.51/4,712,912.80 = 836,440.21/x
  3. Step 3: Cross multiply
    3,141,946.51x = 4,712,912.80 × 836,440.21
  4. Step 4: Simplify right side
    3,141,946.51x = 3,942,069,768,139.99
  5. Step 5: Solve for x
    x = 3,942,069,768,139.99/3,141,946.51
  6. Step 6: Final answer
    x = 1,254,658.46

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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.