Home / 1,940,967.63-2,678,499.23-1,081,509.57

Finding the Fourth Proportional to 1,940,967.63, 2,678,499.23 and 1,081,509.57

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Solution

The fourth proportional to 1,940,967.63, 2,678,499.23 and 1,081,509.57 is: 1,492,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,967.63 : 2,678,499.23 = 1,081,509.57 : x
  2. Step 2: Convert to fraction form
    1,940,967.63/2,678,499.23 = 1,081,509.57/x
  3. Step 3: Cross multiply
    1,940,967.63x = 2,678,499.23 × 1,081,509.57
  4. Step 4: Simplify right side
    1,940,967.63x = 2,896,822,545,075.08
  5. Step 5: Solve for x
    x = 2,896,822,545,075.08/1,940,967.63
  6. Step 6: Final answer
    x = 1,492,463.09

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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.