Home / 1,878,011.34-2,812,208.85-1,035,628.62

Finding the Fourth Proportional to 1,878,011.34, 2,812,208.85 and 1,035,628.62

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Solution

The fourth proportional to 1,878,011.34, 2,812,208.85 and 1,035,628.62 is: 1,550,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,011.34 : 2,812,208.85 = 1,035,628.62 : x
  2. Step 2: Convert to fraction form
    1,878,011.34/2,812,208.85 = 1,035,628.62/x
  3. Step 3: Cross multiply
    1,878,011.34x = 2,812,208.85 × 1,035,628.62
  4. Step 4: Simplify right side
    1,878,011.34x = 2,912,403,970,477.29
  5. Step 5: Solve for x
    x = 2,912,403,970,477.29/1,878,011.34
  6. Step 6: Final answer
    x = 1,550,791.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.