Home / 3,684,880.32-5,085,145.12-2,136,442.24

Finding the Fourth Proportional to 3,684,880.32, 5,085,145.12 and 2,136,442.24

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Solution

The fourth proportional to 3,684,880.32, 5,085,145.12 and 2,136,442.24 is: 2,948,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,880.32 : 5,085,145.12 = 2,136,442.24 : x
  2. Step 2: Convert to fraction form
    3,684,880.32/5,085,145.12 = 2,136,442.24/x
  3. Step 3: Cross multiply
    3,684,880.32x = 5,085,145.12 × 2,136,442.24
  4. Step 4: Simplify right side
    3,684,880.32x = 10,864,118,830,897.87
  5. Step 5: Solve for x
    x = 10,864,118,830,897.87/3,684,880.32
  6. Step 6: Final answer
    x = 2,948,296.25

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Double scale
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1.5x scale

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.