Home / 4,381,021.20-6,571,531.80-2,390,365.20

Finding the Fourth Proportional to 4,381,021.20, 6,571,531.80 and 2,390,365.20

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Solution

The fourth proportional to 4,381,021.20, 6,571,531.80 and 2,390,365.20 is: 3,585,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381,021.20 : 6,571,531.80 = 2,390,365.20 : x
  2. Step 2: Convert to fraction form
    4,381,021.20/6,571,531.80 = 2,390,365.20/x
  3. Step 3: Cross multiply
    4,381,021.20x = 6,571,531.80 × 2,390,365.20
  4. Step 4: Simplify right side
    4,381,021.20x = 15,708,360,925,413.36
  5. Step 5: Solve for x
    x = 15,708,360,925,413.36/4,381,021.20
  6. Step 6: Final answer
    x = 3,585,547.80

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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.