Home / 2,918,971.37-4,028,429.48-1,630,060.76

Finding the Fourth Proportional to 2,918,971.37, 4,028,429.48 and 1,630,060.76

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Solution

The fourth proportional to 2,918,971.37, 4,028,429.48 and 1,630,060.76 is: 2,249,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,971.37 : 4,028,429.48 = 1,630,060.76 : x
  2. Step 2: Convert to fraction form
    2,918,971.37/4,028,429.48 = 1,630,060.76/x
  3. Step 3: Cross multiply
    2,918,971.37x = 4,028,429.48 × 1,630,060.76
  4. Step 4: Simplify right side
    2,918,971.37x = 6,566,584,819,775.21
  5. Step 5: Solve for x
    x = 6,566,584,819,775.21/2,918,971.37
  6. Step 6: Final answer
    x = 2,249,622.89

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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.