Home / 2,013,992.40-2,779,081.56-1,187,011.92

Finding the Fourth Proportional to 2,013,992.40, 2,779,081.56 and 1,187,011.92

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Solution

The fourth proportional to 2,013,992.40, 2,779,081.56 and 1,187,011.92 is: 1,637,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,992.40 : 2,779,081.56 = 1,187,011.92 : x
  2. Step 2: Convert to fraction form
    2,013,992.40/2,779,081.56 = 1,187,011.92/x
  3. Step 3: Cross multiply
    2,013,992.40x = 2,779,081.56 × 1,187,011.92
  4. Step 4: Simplify right side
    2,013,992.40x = 3,298,802,938,372.20
  5. Step 5: Solve for x
    x = 3,298,802,938,372.20/2,013,992.40
  6. Step 6: Final answer
    x = 1,637,942.10

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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.