Home / 3,172,371.84-4,377,878.64-1,722,068.28

Finding the Fourth Proportional to 3,172,371.84, 4,377,878.64 and 1,722,068.28

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Solution

The fourth proportional to 3,172,371.84, 4,377,878.64 and 1,722,068.28 is: 2,376,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,371.84 : 4,377,878.64 = 1,722,068.28 : x
  2. Step 2: Convert to fraction form
    3,172,371.84/4,377,878.64 = 1,722,068.28/x
  3. Step 3: Cross multiply
    3,172,371.84x = 4,377,878.64 × 1,722,068.28
  4. Step 4: Simplify right side
    3,172,371.84x = 7,539,005,939,633.54
  5. Step 5: Solve for x
    x = 7,539,005,939,633.54/3,172,371.84
  6. Step 6: Final answer
    x = 2,376,457.21

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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.