Home / 3,009,987.79-4,152,045.95-1,921,031.97

Finding the Fourth Proportional to 3,009,987.79, 4,152,045.95 and 1,921,031.97

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Solution

The fourth proportional to 3,009,987.79, 4,152,045.95 and 1,921,031.97 is: 2,649,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,987.79 : 4,152,045.95 = 1,921,031.97 : x
  2. Step 2: Convert to fraction form
    3,009,987.79/4,152,045.95 = 1,921,031.97/x
  3. Step 3: Cross multiply
    3,009,987.79x = 4,152,045.95 × 1,921,031.97
  4. Step 4: Simplify right side
    3,009,987.79x = 7,976,213,010,859.02
  5. Step 5: Solve for x
    x = 7,976,213,010,859.02/3,009,987.79
  6. Step 6: Final answer
    x = 2,649,915.40

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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.