Home / 2,779,964-3,836,324.40-1,572,740

Finding the Fourth Proportional to 2,779,964, 3,836,324.40 and 1,572,740

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Solution

The fourth proportional to 2,779,964, 3,836,324.40 and 1,572,740 is: 2,170,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,964 : 3,836,324.40 = 1,572,740 : x
  2. Step 2: Convert to fraction form
    2,779,964/3,836,324.40 = 1,572,740/x
  3. Step 3: Cross multiply
    2,779,964x = 3,836,324.40 × 1,572,740
  4. Step 4: Simplify right side
    2,779,964x = 6,033,540,836,856
  5. Step 5: Solve for x
    x = 6,033,540,836,856/2,779,964
  6. Step 6: Final answer
    x = 2,170,366.54

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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.