Home / 3,219,478.80-4,829,218.20-975,728.40

Finding the Fourth Proportional to 3,219,478.80, 4,829,218.20 and 975,728.40

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Solution

The fourth proportional to 3,219,478.80, 4,829,218.20 and 975,728.40 is: 1,463,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,478.80 : 4,829,218.20 = 975,728.40 : x
  2. Step 2: Convert to fraction form
    3,219,478.80/4,829,218.20 = 975,728.40/x
  3. Step 3: Cross multiply
    3,219,478.80x = 4,829,218.20 × 975,728.40
  4. Step 4: Simplify right side
    3,219,478.80x = 4,712,005,347,536.88
  5. Step 5: Solve for x
    x = 4,712,005,347,536.88/3,219,478.80
  6. Step 6: Final answer
    x = 1,463,592.60

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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.