Home / 4,158,915.82-6,238,968.81-1,280,526.19

Finding the Fourth Proportional to 4,158,915.82, 6,238,968.81 and 1,280,526.19

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Solution

The fourth proportional to 4,158,915.82, 6,238,968.81 and 1,280,526.19 is: 1,920,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,915.82 : 6,238,968.81 = 1,280,526.19 : x
  2. Step 2: Convert to fraction form
    4,158,915.82/6,238,968.81 = 1,280,526.19/x
  3. Step 3: Cross multiply
    4,158,915.82x = 6,238,968.81 × 1,280,526.19
  4. Step 4: Simplify right side
    4,158,915.82x = 7,989,162,959,798.13
  5. Step 5: Solve for x
    x = 7,989,162,959,798.13/4,158,915.82
  6. Step 6: Final answer
    x = 1,920,972.51

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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.