Home / 2,913,372-4,020,407.19-1,624,291.02

Finding the Fourth Proportional to 2,913,372, 4,020,407.19 and 1,624,291.02

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Solution

The fourth proportional to 2,913,372, 4,020,407.19 and 1,624,291.02 is: 2,241,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,372 : 4,020,407.19 = 1,624,291.02 : x
  2. Step 2: Convert to fraction form
    2,913,372/4,020,407.19 = 1,624,291.02/x
  3. Step 3: Cross multiply
    2,913,372x = 4,020,407.19 × 1,624,291.02
  4. Step 4: Simplify right side
    2,913,372x = 6,530,311,295,460.43
  5. Step 5: Solve for x
    x = 6,530,311,295,460.43/2,913,372
  6. Step 6: Final answer
    x = 2,241,495.87

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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.