Home / 1,855,946.90-2,784,130.64-1,665,235.60

Finding the Fourth Proportional to 1,855,946.90, 2,784,130.64 and 1,665,235.60

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Solution

The fourth proportional to 1,855,946.90, 2,784,130.64 and 1,665,235.60 is: 2,498,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,946.90 : 2,784,130.64 = 1,665,235.60 : x
  2. Step 2: Convert to fraction form
    1,855,946.90/2,784,130.64 = 1,665,235.60/x
  3. Step 3: Cross multiply
    1,855,946.90x = 2,784,130.64 × 1,665,235.60
  4. Step 4: Simplify right side
    1,855,946.90x = 4,636,233,456,778.78
  5. Step 5: Solve for x
    x = 4,636,233,456,778.78/1,855,946.90
  6. Step 6: Final answer
    x = 2,498,042.08

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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.