Home / 1,630,004.32-2,249,005.20-976,735.36

Finding the Fourth Proportional to 1,630,004.32, 2,249,005.20 and 976,735.36

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Solution

The fourth proportional to 1,630,004.32, 2,249,005.20 and 976,735.36 is: 1,347,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,004.32 : 2,249,005.20 = 976,735.36 : x
  2. Step 2: Convert to fraction form
    1,630,004.32/2,249,005.20 = 976,735.36/x
  3. Step 3: Cross multiply
    1,630,004.32x = 2,249,005.20 × 976,735.36
  4. Step 4: Simplify right side
    1,630,004.32x = 2,196,682,903,663.87
  5. Step 5: Solve for x
    x = 2,196,682,903,663.87/1,630,004.32
  6. Step 6: Final answer
    x = 1,347,654.65

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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.