Home / 5,419,526.64-8,128,498.59-1,580,317.40

Finding the Fourth Proportional to 5,419,526.64, 8,128,498.59 and 1,580,317.40

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Solution

The fourth proportional to 5,419,526.64, 8,128,498.59 and 1,580,317.40 is: 2,370,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,526.64 : 8,128,498.59 = 1,580,317.40 : x
  2. Step 2: Convert to fraction form
    5,419,526.64/8,128,498.59 = 1,580,317.40/x
  3. Step 3: Cross multiply
    5,419,526.64x = 8,128,498.59 × 1,580,317.40
  4. Step 4: Simplify right side
    5,419,526.64x = 12,845,607,717,009.97
  5. Step 5: Solve for x
    x = 12,845,607,717,009.97/5,419,526.64
  6. Step 6: Final answer
    x = 2,370,245.33

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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.