Home / 6,465,628.22-9,698,090.79-1,977,904.22

Finding the Fourth Proportional to 6,465,628.22, 9,698,090.79 and 1,977,904.22

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Solution

The fourth proportional to 6,465,628.22, 9,698,090.79 and 1,977,904.22 is: 2,966,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,628.22 : 9,698,090.79 = 1,977,904.22 : x
  2. Step 2: Convert to fraction form
    6,465,628.22/9,698,090.79 = 1,977,904.22/x
  3. Step 3: Cross multiply
    6,465,628.22x = 9,698,090.79 × 1,977,904.22
  4. Step 4: Simplify right side
    6,465,628.22x = 19,181,894,699,484.13
  5. Step 5: Solve for x
    x = 19,181,894,699,484.13/6,465,628.22
  6. Step 6: Final answer
    x = 2,966,748.79

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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.