Home / 1,605,927.15-2,216,169.08-917,809.47

Finding the Fourth Proportional to 1,605,927.15, 2,216,169.08 and 917,809.47

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Solution

The fourth proportional to 1,605,927.15, 2,216,169.08 and 917,809.47 is: 1,266,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,927.15 : 2,216,169.08 = 917,809.47 : x
  2. Step 2: Convert to fraction form
    1,605,927.15/2,216,169.08 = 917,809.47/x
  3. Step 3: Cross multiply
    1,605,927.15x = 2,216,169.08 × 917,809.47
  4. Step 4: Simplify right side
    1,605,927.15x = 2,034,020,964,156.14
  5. Step 5: Solve for x
    x = 2,034,020,964,156.14/1,605,927.15
  6. Step 6: Final answer
    x = 1,266,571.13

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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.