Home / 2,779,416.72-3,835,272.78-1,555,790.76

Finding the Fourth Proportional to 2,779,416.72, 3,835,272.78 and 1,555,790.76

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Solution

The fourth proportional to 2,779,416.72, 3,835,272.78 and 1,555,790.76 is: 2,146,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,416.72 : 3,835,272.78 = 1,555,790.76 : x
  2. Step 2: Convert to fraction form
    2,779,416.72/3,835,272.78 = 1,555,790.76/x
  3. Step 3: Cross multiply
    2,779,416.72x = 3,835,272.78 × 1,555,790.76
  4. Step 4: Simplify right side
    2,779,416.72x = 5,966,881,953,203.51
  5. Step 5: Solve for x
    x = 5,966,881,953,203.51/2,779,416.72
  6. Step 6: Final answer
    x = 2,146,810.84

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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.