Home / 6,465,628.72-9,698,091.54-1,977,904.72

Finding the Fourth Proportional to 6,465,628.72, 9,698,091.54 and 1,977,904.72

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Solution

The fourth proportional to 6,465,628.72, 9,698,091.54 and 1,977,904.72 is: 2,966,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,628.72 : 9,698,091.54 = 1,977,904.72 : x
  2. Step 2: Convert to fraction form
    6,465,628.72/9,698,091.54 = 1,977,904.72/x
  3. Step 3: Cross multiply
    6,465,628.72x = 9,698,091.54 × 1,977,904.72
  4. Step 4: Simplify right side
    6,465,628.72x = 19,181,901,031,958.07
  5. Step 5: Solve for x
    x = 19,181,901,031,958.07/6,465,628.72
  6. Step 6: Final answer
    x = 2,966,749.54

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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.