Home / 1,796,851.81-2,692,550.51-1,317,398.78

Finding the Fourth Proportional to 1,796,851.81, 2,692,550.51 and 1,317,398.78

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Solution

The fourth proportional to 1,796,851.81, 2,692,550.51 and 1,317,398.78 is: 1,974,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,851.81 : 2,692,550.51 = 1,317,398.78 : x
  2. Step 2: Convert to fraction form
    1,796,851.81/2,692,550.51 = 1,317,398.78/x
  3. Step 3: Cross multiply
    1,796,851.81x = 2,692,550.51 × 1,317,398.78
  4. Step 4: Simplify right side
    1,796,851.81x = 3,547,162,769,457.37
  5. Step 5: Solve for x
    x = 3,547,162,769,457.37/1,796,851.81
  6. Step 6: Final answer
    x = 1,974,098.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.