Finding the Fourth Proportional to 1,708,378.30, 2,565,519.90 and 911,216.80
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Solution
The fourth proportional to 1,708,378.30, 2,565,519.90 and 911,216.80 is: 1,368,399.98
Step by Step Solution
- Step 1: Write the proportion equation
1,708,378.30 : 2,565,519.90 = 911,216.80 : x - Step 2: Convert to fraction form
1,708,378.30/2,565,519.90 = 911,216.80/x - Step 3: Cross multiply
1,708,378.30x = 2,565,519.90 × 911,216.80 - Step 4: Simplify right side
1,708,378.30x = 2,337,744,833,614.32 - Step 5: Solve for x
x = 2,337,744,833,614.32/1,708,378.30 - Step 6: Final answer
x = 1,368,399.98
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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.