Home / 5,455,384.24-8,182,779.74-1,668,867.11

Finding the Fourth Proportional to 5,455,384.24, 8,182,779.74 and 1,668,867.11

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Solution

The fourth proportional to 5,455,384.24, 8,182,779.74 and 1,668,867.11 is: 2,503,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,384.24 : 8,182,779.74 = 1,668,867.11 : x
  2. Step 2: Convert to fraction form
    5,455,384.24/8,182,779.74 = 1,668,867.11/x
  3. Step 3: Cross multiply
    5,455,384.24x = 8,182,779.74 × 1,668,867.11
  4. Step 4: Simplify right side
    5,455,384.24x = 13,655,971,968,116.02
  5. Step 5: Solve for x
    x = 13,655,971,968,116.02/5,455,384.24
  6. Step 6: Final answer
    x = 2,503,209.93

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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.