Home / 1,917,056.88-2,645,523.72-1,057,653.36

Finding the Fourth Proportional to 1,917,056.88, 2,645,523.72 and 1,057,653.36

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Solution

The fourth proportional to 1,917,056.88, 2,645,523.72 and 1,057,653.36 is: 1,459,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,056.88 : 2,645,523.72 = 1,057,653.36 : x
  2. Step 2: Convert to fraction form
    1,917,056.88/2,645,523.72 = 1,057,653.36/x
  3. Step 3: Cross multiply
    1,917,056.88x = 2,645,523.72 × 1,057,653.36
  4. Step 4: Simplify right side
    1,917,056.88x = 2,798,047,051,417.70
  5. Step 5: Solve for x
    x = 2,798,047,051,417.70/1,917,056.88
  6. Step 6: Final answer
    x = 1,459,553.49

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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.