Home / 6,390,946.25-8,819,723.45-3,779,688.75

Finding the Fourth Proportional to 6,390,946.25, 8,819,723.45 and 3,779,688.75

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Solution

The fourth proportional to 6,390,946.25, 8,819,723.45 and 3,779,688.75 is: 5,216,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,946.25 : 8,819,723.45 = 3,779,688.75 : x
  2. Step 2: Convert to fraction form
    6,390,946.25/8,819,723.45 = 3,779,688.75/x
  3. Step 3: Cross multiply
    6,390,946.25x = 8,819,723.45 × 3,779,688.75
  4. Step 4: Simplify right side
    6,390,946.25x = 33,335,809,502,076.18
  5. Step 5: Solve for x
    x = 33,335,809,502,076.18/6,390,946.25
  6. Step 6: Final answer
    x = 5,216,099.19

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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.