Home / 6,390,953.74-8,819,733.81-3,779,696.25

Finding the Fourth Proportional to 6,390,953.74, 8,819,733.81 and 3,779,696.25

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Solution

The fourth proportional to 6,390,953.74, 8,819,733.81 and 3,779,696.25 is: 5,216,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,953.74 : 8,819,733.81 = 3,779,696.25 : x
  2. Step 2: Convert to fraction form
    6,390,953.74/8,819,733.81 = 3,779,696.25/x
  3. Step 3: Cross multiply
    6,390,953.74x = 8,819,733.81 × 3,779,696.25
  4. Step 4: Simplify right side
    6,390,953.74x = 33,335,914,821,829.07
  5. Step 5: Solve for x
    x = 33,335,914,821,829.07/6,390,953.74
  6. Step 6: Final answer
    x = 5,216,109.55

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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.