Home / 1,990,589.40-2,985,884.10-1,492,925.40

Finding the Fourth Proportional to 1,990,589.40, 2,985,884.10 and 1,492,925.40

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Solution

The fourth proportional to 1,990,589.40, 2,985,884.10 and 1,492,925.40 is: 2,239,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,589.40 : 2,985,884.10 = 1,492,925.40 : x
  2. Step 2: Convert to fraction form
    1,990,589.40/2,985,884.10 = 1,492,925.40/x
  3. Step 3: Cross multiply
    1,990,589.40x = 2,985,884.10 × 1,492,925.40
  4. Step 4: Simplify right side
    1,990,589.40x = 4,457,702,214,346.14
  5. Step 5: Solve for x
    x = 4,457,702,214,346.14/1,990,589.40
  6. Step 6: Final answer
    x = 2,239,388.10

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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.