Home / 1,533,590.32-2,115,766.11-921,891.88

Finding the Fourth Proportional to 1,533,590.32, 2,115,766.11 and 921,891.88

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Solution

The fourth proportional to 1,533,590.32, 2,115,766.11 and 921,891.88 is: 1,271,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,590.32 : 2,115,766.11 = 921,891.88 : x
  2. Step 2: Convert to fraction form
    1,533,590.32/2,115,766.11 = 921,891.88/x
  3. Step 3: Cross multiply
    1,533,590.32x = 2,115,766.11 × 921,891.88
  4. Step 4: Simplify right side
    1,533,590.32x = 1,950,507,596,788.19
  5. Step 5: Solve for x
    x = 1,950,507,596,788.19/1,533,590.32
  6. Step 6: Final answer
    x = 1,271,857.01

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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.