Home / 2,636,843.38-3,638,920.64-1,490,899.12

Finding the Fourth Proportional to 2,636,843.38, 3,638,920.64 and 1,490,899.12

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Solution

The fourth proportional to 2,636,843.38, 3,638,920.64 and 1,490,899.12 is: 2,057,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,843.38 : 3,638,920.64 = 1,490,899.12 : x
  2. Step 2: Convert to fraction form
    2,636,843.38/3,638,920.64 = 1,490,899.12/x
  3. Step 3: Cross multiply
    2,636,843.38x = 3,638,920.64 × 1,490,899.12
  4. Step 4: Simplify right side
    2,636,843.38x = 5,425,263,579,925.84
  5. Step 5: Solve for x
    x = 5,425,263,579,925.84/2,636,843.38
  6. Step 6: Final answer
    x = 2,057,484.20

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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.