Home / 2,779,671.39-3,836,011.41-1,555,946.43

Finding the Fourth Proportional to 2,779,671.39, 3,836,011.41 and 1,555,946.43

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Solution

The fourth proportional to 2,779,671.39, 3,836,011.41 and 1,555,946.43 is: 2,147,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,671.39 : 3,836,011.41 = 1,555,946.43 : x
  2. Step 2: Convert to fraction form
    2,779,671.39/3,836,011.41 = 1,555,946.43/x
  3. Step 3: Cross multiply
    2,779,671.39x = 3,836,011.41 × 1,555,946.43
  4. Step 4: Simplify right side
    2,779,671.39x = 5,968,628,258,828.77
  5. Step 5: Solve for x
    x = 5,968,628,258,828.77/2,779,671.39
  6. Step 6: Final answer
    x = 2,147,242.40

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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.