Home / 4,638,383-6,401,271.30-2,678,343.80

Finding the Fourth Proportional to 4,638,383, 6,401,271.30 and 2,678,343.80

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Solution

The fourth proportional to 4,638,383, 6,401,271.30 and 2,678,343.80 is: 3,696,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,383 : 6,401,271.30 = 2,678,343.80 : x
  2. Step 2: Convert to fraction form
    4,638,383/6,401,271.30 = 2,678,343.80/x
  3. Step 3: Cross multiply
    4,638,383x = 6,401,271.30 × 2,678,343.80
  4. Step 4: Simplify right side
    4,638,383x = 17,144,805,298,472.94
  5. Step 5: Solve for x
    x = 17,144,805,298,472.94/4,638,383
  6. Step 6: Final answer
    x = 3,696,289.27

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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.