Finding the Fourth Proportional to 3,558,989.01, 4,911,378.83 and 1,927,358.53
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Solution
The fourth proportional to 3,558,989.01, 4,911,378.83 and 1,927,358.53 is: 2,659,740.68
Step by Step Solution
- Step 1: Write the proportion equation
3,558,989.01 : 4,911,378.83 = 1,927,358.53 : x - Step 2: Convert to fraction form
3,558,989.01/4,911,378.83 = 1,927,358.53/x - Step 3: Cross multiply
3,558,989.01x = 4,911,378.83 × 1,927,358.53 - Step 4: Simplify right side
3,558,989.01x = 9,465,987,864,664.02 - Step 5: Solve for x
x = 9,465,987,864,664.02/3,558,989.01 - Step 6: Final answer
x = 2,659,740.68
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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.