Home / 2,918,939.64-4,028,385.78-1,630,029.14

Finding the Fourth Proportional to 2,918,939.64, 4,028,385.78 and 1,630,029.14

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Solution

The fourth proportional to 2,918,939.64, 4,028,385.78 and 1,630,029.14 is: 2,249,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,939.64 : 4,028,385.78 = 1,630,029.14 : x
  2. Step 2: Convert to fraction form
    2,918,939.64/4,028,385.78 = 1,630,029.14/x
  3. Step 3: Cross multiply
    2,918,939.64x = 4,028,385.78 × 1,630,029.14
  4. Step 4: Simplify right side
    2,918,939.64x = 6,566,386,208,561.63
  5. Step 5: Solve for x
    x = 6,566,386,208,561.63/2,918,939.64
  6. Step 6: Final answer
    x = 2,249,579.31

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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.