Home / 3,361,223.79-4,638,880.98-1,911,136.50

Finding the Fourth Proportional to 3,361,223.79, 4,638,880.98 and 1,911,136.50

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Solution

The fourth proportional to 3,361,223.79, 4,638,880.98 and 1,911,136.50 is: 2,637,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,223.79 : 4,638,880.98 = 1,911,136.50 : x
  2. Step 2: Convert to fraction form
    3,361,223.79/4,638,880.98 = 1,911,136.50/x
  3. Step 3: Cross multiply
    3,361,223.79x = 4,638,880.98 × 1,911,136.50
  4. Step 4: Simplify right side
    3,361,223.79x = 8,865,534,760,033.77
  5. Step 5: Solve for x
    x = 8,865,534,760,033.77/3,361,223.79
  6. Step 6: Final answer
    x = 2,637,591.34

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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.