Home / 1,617,705.07-2,417,081.31-1,561,130.42

Finding the Fourth Proportional to 1,617,705.07, 2,417,081.31 and 1,561,130.42

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Solution

The fourth proportional to 1,617,705.07, 2,417,081.31 and 1,561,130.42 is: 2,332,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,705.07 : 2,417,081.31 = 1,561,130.42 : x
  2. Step 2: Convert to fraction form
    1,617,705.07/2,417,081.31 = 1,561,130.42/x
  3. Step 3: Cross multiply
    1,617,705.07x = 2,417,081.31 × 1,561,130.42
  4. Step 4: Simplify right side
    1,617,705.07x = 3,773,379,148,569.04
  5. Step 5: Solve for x
    x = 3,773,379,148,569.04/1,617,705.07
  6. Step 6: Final answer
    x = 2,332,550.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.