Home / 1,587,801.83-2,191,154.69-862,655.51

Finding the Fourth Proportional to 1,587,801.83, 2,191,154.69 and 862,655.51

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Solution

The fourth proportional to 1,587,801.83, 2,191,154.69 and 862,655.51 is: 1,190,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,801.83 : 2,191,154.69 = 862,655.51 : x
  2. Step 2: Convert to fraction form
    1,587,801.83/2,191,154.69 = 862,655.51/x
  3. Step 3: Cross multiply
    1,587,801.83x = 2,191,154.69 × 862,655.51
  4. Step 4: Simplify right side
    1,587,801.83x = 1,890,211,655,635.07
  5. Step 5: Solve for x
    x = 1,890,211,655,635.07/1,587,801.83
  6. Step 6: Final answer
    x = 1,190,458.17

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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.