Home / 1,693,267.34-2,539,802.12-1,238,319.39

Finding the Fourth Proportional to 1,693,267.34, 2,539,802.12 and 1,238,319.39

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Solution

The fourth proportional to 1,693,267.34, 2,539,802.12 and 1,238,319.39 is: 1,857,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,267.34 : 2,539,802.12 = 1,238,319.39 : x
  2. Step 2: Convert to fraction form
    1,693,267.34/2,539,802.12 = 1,238,319.39/x
  3. Step 3: Cross multiply
    1,693,267.34x = 2,539,802.12 × 1,238,319.39
  4. Step 4: Simplify right side
    1,693,267.34x = 3,145,086,205,767.51
  5. Step 5: Solve for x
    x = 3,145,086,205,767.51/1,693,267.34
  6. Step 6: Final answer
    x = 1,857,406.77

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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.