Finding the Fourth Proportional to 1,715,876.04, 2,368,118.88 and 990,722.52
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Solution
The fourth proportional to 1,715,876.04, 2,368,118.88 and 990,722.52 is: 1,367,318.30
Step by Step Solution
- Step 1: Write the proportion equation
1,715,876.04 : 2,368,118.88 = 990,722.52 : x - Step 2: Convert to fraction form
1,715,876.04/2,368,118.88 = 990,722.52/x - Step 3: Cross multiply
1,715,876.04x = 2,368,118.88 × 990,722.52 - Step 4: Simplify right side
1,715,876.04x = 2,346,148,704,453.18 - Step 5: Solve for x
x = 2,346,148,704,453.18/1,715,876.04 - Step 6: Final answer
x = 1,367,318.30
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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.