Home / 2,912,399.23-4,018,220.28-1,688,460.45

Finding the Fourth Proportional to 2,912,399.23, 4,018,220.28 and 1,688,460.45

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Solution

The fourth proportional to 2,912,399.23, 4,018,220.28 and 1,688,460.45 is: 2,329,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,399.23 : 4,018,220.28 = 1,688,460.45 : x
  2. Step 2: Convert to fraction form
    2,912,399.23/4,018,220.28 = 1,688,460.45/x
  3. Step 3: Cross multiply
    2,912,399.23x = 4,018,220.28 × 1,688,460.45
  4. Step 4: Simplify right side
    2,912,399.23x = 6,784,606,022,167.93
  5. Step 5: Solve for x
    x = 6,784,606,022,167.93/2,912,399.23
  6. Step 6: Final answer
    x = 2,329,559.06

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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.