Home / 3,462,423.95-4,778,392.43-1,913,652.29

Finding the Fourth Proportional to 3,462,423.95, 4,778,392.43 and 1,913,652.29

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Solution

The fourth proportional to 3,462,423.95, 4,778,392.43 and 1,913,652.29 is: 2,640,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,423.95 : 4,778,392.43 = 1,913,652.29 : x
  2. Step 2: Convert to fraction form
    3,462,423.95/4,778,392.43 = 1,913,652.29/x
  3. Step 3: Cross multiply
    3,462,423.95x = 4,778,392.43 × 1,913,652.29
  4. Step 4: Simplify right side
    3,462,423.95x = 9,144,181,625,742.08
  5. Step 5: Solve for x
    x = 9,144,181,625,742.08/3,462,423.95
  6. Step 6: Final answer
    x = 2,640,976.89

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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.