Home / 3,362,136.56-4,639,648.88-1,911,990.32

Finding the Fourth Proportional to 3,362,136.56, 4,639,648.88 and 1,911,990.32

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Solution

The fourth proportional to 3,362,136.56, 4,639,648.88 and 1,911,990.32 is: 2,638,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,136.56 : 4,639,648.88 = 1,911,990.32 : x
  2. Step 2: Convert to fraction form
    3,362,136.56/4,639,648.88 = 1,911,990.32/x
  3. Step 3: Cross multiply
    3,362,136.56x = 4,639,648.88 × 1,911,990.32
  4. Step 4: Simplify right side
    3,362,136.56x = 8,870,963,746,758.84
  5. Step 5: Solve for x
    x = 8,870,963,746,758.84/3,362,136.56
  6. Step 6: Final answer
    x = 2,638,490.02

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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.