Finding the Fourth Proportional to 5,068,340.91, 7,602,447.58 and 1,230,195.40
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Solution
The fourth proportional to 5,068,340.91, 7,602,447.58 and 1,230,195.40 is: 1,845,277.61
Step by Step Solution
- Step 1: Write the proportion equation
5,068,340.91 : 7,602,447.58 = 1,230,195.40 : x - Step 2: Convert to fraction form
5,068,340.91/7,602,447.58 = 1,230,195.40/x - Step 3: Cross multiply
5,068,340.91x = 7,602,447.58 × 1,230,195.40 - Step 4: Simplify right side
5,068,340.91x = 9,352,496,019,575.52 - Step 5: Solve for x
x = 9,352,496,019,575.52/5,068,340.91 - Step 6: Final answer
x = 1,845,277.61
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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.