Home / 1,845,428.10-2,765,809.35-1,644,807.30

Finding the Fourth Proportional to 1,845,428.10, 2,765,809.35 and 1,644,807.30

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Solution

The fourth proportional to 1,845,428.10, 2,765,809.35 and 1,644,807.30 is: 2,465,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,428.10 : 2,765,809.35 = 1,644,807.30 : x
  2. Step 2: Convert to fraction form
    1,845,428.10/2,765,809.35 = 1,644,807.30/x
  3. Step 3: Cross multiply
    1,845,428.10x = 2,765,809.35 × 1,644,807.30
  4. Step 4: Simplify right side
    1,845,428.10x = 4,549,223,409,288.26
  5. Step 5: Solve for x
    x = 4,549,223,409,288.26/1,845,428.10
  6. Step 6: Final answer
    x = 2,465,131.75

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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.