Home / 1,993,643.60-2,990,465.40-1,197,381.20

Finding the Fourth Proportional to 1,993,643.60, 2,990,465.40 and 1,197,381.20

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Solution

The fourth proportional to 1,993,643.60, 2,990,465.40 and 1,197,381.20 is: 1,796,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,643.60 : 2,990,465.40 = 1,197,381.20 : x
  2. Step 2: Convert to fraction form
    1,993,643.60/2,990,465.40 = 1,197,381.20/x
  3. Step 3: Cross multiply
    1,993,643.60x = 2,990,465.40 × 1,197,381.20
  4. Step 4: Simplify right side
    1,993,643.60x = 3,580,727,049,210.48
  5. Step 5: Solve for x
    x = 3,580,727,049,210.48/1,993,643.60
  6. Step 6: Final answer
    x = 1,796,071.80

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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.