Home / 2,154,420.03-2,973,098.91-1,187,566.47

Finding the Fourth Proportional to 2,154,420.03, 2,973,098.91 and 1,187,566.47

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Solution

The fourth proportional to 2,154,420.03, 2,973,098.91 and 1,187,566.47 is: 1,638,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,420.03 : 2,973,098.91 = 1,187,566.47 : x
  2. Step 2: Convert to fraction form
    2,154,420.03/2,973,098.91 = 1,187,566.47/x
  3. Step 3: Cross multiply
    2,154,420.03x = 2,973,098.91 × 1,187,566.47
  4. Step 4: Simplify right side
    2,154,420.03x = 3,530,752,577,509.55
  5. Step 5: Solve for x
    x = 3,530,752,577,509.55/2,154,420.03
  6. Step 6: Final answer
    x = 1,638,841.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.