Home / 3,587,429.69-5,378,302.80-1,789,387.64

Finding the Fourth Proportional to 3,587,429.69, 5,378,302.80 and 1,789,387.64

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Solution

The fourth proportional to 3,587,429.69, 5,378,302.80 and 1,789,387.64 is: 2,682,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,429.69 : 5,378,302.80 = 1,789,387.64 : x
  2. Step 2: Convert to fraction form
    3,587,429.69/5,378,302.80 = 1,789,387.64/x
  3. Step 3: Cross multiply
    3,587,429.69x = 5,378,302.80 × 1,789,387.64
  4. Step 4: Simplify right side
    3,587,429.69x = 9,623,868,547,774.51
  5. Step 5: Solve for x
    x = 9,623,868,547,774.51/3,587,429.69
  6. Step 6: Final answer
    x = 2,682,664.02

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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.