Home / 1,777,962.40-2,666,943.60-1,658,989.60

Finding the Fourth Proportional to 1,777,962.40, 2,666,943.60 and 1,658,989.60

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Solution

The fourth proportional to 1,777,962.40, 2,666,943.60 and 1,658,989.60 is: 2,488,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,962.40 : 2,666,943.60 = 1,658,989.60 : x
  2. Step 2: Convert to fraction form
    1,777,962.40/2,666,943.60 = 1,658,989.60/x
  3. Step 3: Cross multiply
    1,777,962.40x = 2,666,943.60 × 1,658,989.60
  4. Step 4: Simplify right side
    1,777,962.40x = 4,424,431,696,186.56
  5. Step 5: Solve for x
    x = 4,424,431,696,186.56/1,777,962.40
  6. Step 6: Final answer
    x = 2,488,484.40

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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.