Home / 4,090,621.53-5,645,095.90-2,255,145.72

Finding the Fourth Proportional to 4,090,621.53, 5,645,095.90 and 2,255,145.72

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Solution

The fourth proportional to 4,090,621.53, 5,645,095.90 and 2,255,145.72 is: 3,112,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,621.53 : 5,645,095.90 = 2,255,145.72 : x
  2. Step 2: Convert to fraction form
    4,090,621.53/5,645,095.90 = 2,255,145.72/x
  3. Step 3: Cross multiply
    4,090,621.53x = 5,645,095.90 × 2,255,145.72
  4. Step 4: Simplify right side
    4,090,621.53x = 12,730,513,843,752.77
  5. Step 5: Solve for x
    x = 12,730,513,843,752.77/4,090,621.53
  6. Step 6: Final answer
    x = 3,112,122.14

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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.