Home / 2,870,001.36-3,960,455.76-1,580,814

Finding the Fourth Proportional to 2,870,001.36, 3,960,455.76 and 1,580,814

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Solution

The fourth proportional to 2,870,001.36, 3,960,455.76 and 1,580,814 is: 2,181,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,001.36 : 3,960,455.76 = 1,580,814 : x
  2. Step 2: Convert to fraction form
    2,870,001.36/3,960,455.76 = 1,580,814/x
  3. Step 3: Cross multiply
    2,870,001.36x = 3,960,455.76 × 1,580,814
  4. Step 4: Simplify right side
    2,870,001.36x = 6,260,743,911,788.64
  5. Step 5: Solve for x
    x = 6,260,743,911,788.64/2,870,001.36
  6. Step 6: Final answer
    x = 2,181,442.84

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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.