Finding the Fourth Proportional to 7,262,122.68, 10,888,139.34 and 3,216,405.96
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Solution
The fourth proportional to 7,262,122.68, 10,888,139.34 and 3,216,405.96 is: 4,822,374.64
Step by Step Solution
- Step 1: Write the proportion equation
7,262,122.68 : 10,888,139.34 = 3,216,405.96 : x - Step 2: Convert to fraction form
7,262,122.68/10,888,139.34 = 3,216,405.96/x - Step 3: Cross multiply
7,262,122.68x = 10,888,139.34 × 3,216,405.96 - Step 4: Simplify right side
7,262,122.68x = 35,020,676,266,486.46 - Step 5: Solve for x
x = 35,020,676,266,486.46/7,262,122.68 - Step 6: Final answer
x = 4,822,374.64
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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.