Home / 1,630,203.72-2,249,637.32-977,198.60

Finding the Fourth Proportional to 1,630,203.72, 2,249,637.32 and 977,198.60

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Solution

The fourth proportional to 1,630,203.72, 2,249,637.32 and 977,198.60 is: 1,348,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,203.72 : 2,249,637.32 = 977,198.60 : x
  2. Step 2: Convert to fraction form
    1,630,203.72/2,249,637.32 = 977,198.60/x
  3. Step 3: Cross multiply
    1,630,203.72x = 2,249,637.32 × 977,198.60
  4. Step 4: Simplify right side
    1,630,203.72x = 2,198,342,423,477.57
  5. Step 5: Solve for x
    x = 2,198,342,423,477.57/1,630,203.72
  6. Step 6: Final answer
    x = 1,348,507.79

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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.