Home / 1,587,681.83-2,191,188.77-943,104.59

Finding the Fourth Proportional to 1,587,681.83, 2,191,188.77 and 943,104.59

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Solution

The fourth proportional to 1,587,681.83, 2,191,188.77 and 943,104.59 is: 1,301,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,681.83 : 2,191,188.77 = 943,104.59 : x
  2. Step 2: Convert to fraction form
    1,587,681.83/2,191,188.77 = 943,104.59/x
  3. Step 3: Cross multiply
    1,587,681.83x = 2,191,188.77 × 943,104.59
  4. Step 4: Simplify right side
    1,587,681.83x = 2,066,520,170,871.99
  5. Step 5: Solve for x
    x = 2,066,520,170,871.99/1,587,681.83
  6. Step 6: Final answer
    x = 1,301,595.91

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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.