Home / 3,315,886.41-4,973,829.12-919,731

Finding the Fourth Proportional to 3,315,886.41, 4,973,829.12 and 919,731

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Solution

The fourth proportional to 3,315,886.41, 4,973,829.12 and 919,731 is: 1,379,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,886.41 : 4,973,829.12 = 919,731 : x
  2. Step 2: Convert to fraction form
    3,315,886.41/4,973,829.12 = 919,731/x
  3. Step 3: Cross multiply
    3,315,886.41x = 4,973,829.12 × 919,731
  4. Step 4: Simplify right side
    3,315,886.41x = 4,574,584,830,366.72
  5. Step 5: Solve for x
    x = 4,574,584,830,366.72/3,315,886.41
  6. Step 6: Final answer
    x = 1,379,596.36

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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.