Home / 3,828,798.60-5,283,731.06-2,109,918.60

Finding the Fourth Proportional to 3,828,798.60, 5,283,731.06 and 2,109,918.60

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Solution

The fourth proportional to 3,828,798.60, 5,283,731.06 and 2,109,918.60 is: 2,911,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,798.60 : 5,283,731.06 = 2,109,918.60 : x
  2. Step 2: Convert to fraction form
    3,828,798.60/5,283,731.06 = 2,109,918.60/x
  3. Step 3: Cross multiply
    3,828,798.60x = 5,283,731.06 × 2,109,918.60
  4. Step 4: Simplify right side
    3,828,798.60x = 11,148,242,440,891.71
  5. Step 5: Solve for x
    x = 11,148,242,440,891.71/3,828,798.60
  6. Step 6: Final answer
    x = 2,911,681.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.