Home / 3,461,621.84-4,777,325.77-1,913,185.85

Finding the Fourth Proportional to 3,461,621.84, 4,777,325.77 and 1,913,185.85

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Solution

The fourth proportional to 3,461,621.84, 4,777,325.77 and 1,913,185.85 is: 2,640,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,621.84 : 4,777,325.77 = 1,913,185.85 : x
  2. Step 2: Convert to fraction form
    3,461,621.84/4,777,325.77 = 1,913,185.85/x
  3. Step 3: Cross multiply
    3,461,621.84x = 4,777,325.77 × 1,913,185.85
  4. Step 4: Simplify right side
    3,461,621.84x = 9,139,912,064,004.35
  5. Step 5: Solve for x
    x = 9,139,912,064,004.35/3,461,621.84
  6. Step 6: Final answer
    x = 2,640,355.45

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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.