Home / 1,658,084.80-2,487,127.20-1,621,220.80

Finding the Fourth Proportional to 1,658,084.80, 2,487,127.20 and 1,621,220.80

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Solution

The fourth proportional to 1,658,084.80, 2,487,127.20 and 1,621,220.80 is: 2,431,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,084.80 : 2,487,127.20 = 1,621,220.80 : x
  2. Step 2: Convert to fraction form
    1,658,084.80/2,487,127.20 = 1,621,220.80/x
  3. Step 3: Cross multiply
    1,658,084.80x = 2,487,127.20 × 1,621,220.80
  4. Step 4: Simplify right side
    1,658,084.80x = 4,032,182,348,885.76
  5. Step 5: Solve for x
    x = 4,032,182,348,885.76/1,658,084.80
  6. Step 6: Final answer
    x = 2,431,831.20

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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.