Home / 3,220,501.64-4,830,749.28-824,342.45

Finding the Fourth Proportional to 3,220,501.64, 4,830,749.28 and 824,342.45

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Solution

The fourth proportional to 3,220,501.64, 4,830,749.28 and 824,342.45 is: 1,236,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,501.64 : 4,830,749.28 = 824,342.45 : x
  2. Step 2: Convert to fraction form
    3,220,501.64/4,830,749.28 = 824,342.45/x
  3. Step 3: Cross multiply
    3,220,501.64x = 4,830,749.28 × 824,342.45
  4. Step 4: Simplify right side
    3,220,501.64x = 3,982,191,672,657.19
  5. Step 5: Solve for x
    x = 3,982,191,672,657.19/3,220,501.64
  6. Step 6: Final answer
    x = 1,236,512.86

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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.