Home / 1,490,201.40-2,235,302.10-1,313,054.40

Finding the Fourth Proportional to 1,490,201.40, 2,235,302.10 and 1,313,054.40

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Solution

The fourth proportional to 1,490,201.40, 2,235,302.10 and 1,313,054.40 is: 1,969,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,201.40 : 2,235,302.10 = 1,313,054.40 : x
  2. Step 2: Convert to fraction form
    1,490,201.40/2,235,302.10 = 1,313,054.40/x
  3. Step 3: Cross multiply
    1,490,201.40x = 2,235,302.10 × 1,313,054.40
  4. Step 4: Simplify right side
    1,490,201.40x = 2,935,073,257,734.24
  5. Step 5: Solve for x
    x = 2,935,073,257,734.24/1,490,201.40
  6. Step 6: Final answer
    x = 1,969,581.60

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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.