Home / 2,480,312.36-3,422,715.36-1,377,815.22

Finding the Fourth Proportional to 2,480,312.36, 3,422,715.36 and 1,377,815.22

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Solution

The fourth proportional to 2,480,312.36, 3,422,715.36 and 1,377,815.22 is: 1,901,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480,312.36 : 3,422,715.36 = 1,377,815.22 : x
  2. Step 2: Convert to fraction form
    2,480,312.36/3,422,715.36 = 1,377,815.22/x
  3. Step 3: Cross multiply
    2,480,312.36x = 3,422,715.36 × 1,377,815.22
  4. Step 4: Simplify right side
    2,480,312.36x = 4,715,869,316,735.78
  5. Step 5: Solve for x
    x = 4,715,869,316,735.78/2,480,312.36
  6. Step 6: Final answer
    x = 1,901,320.74

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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.