Finding the Fourth Proportional to 2,918,816.86, 4,378,225.06 and 1,479,276.05
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Solution
The fourth proportional to 2,918,816.86, 4,378,225.06 and 1,479,276.05 is: 2,218,913.96
Step by Step Solution
- Step 1: Write the proportion equation
2,918,816.86 : 4,378,225.06 = 1,479,276.05 : x - Step 2: Convert to fraction form
2,918,816.86/4,378,225.06 = 1,479,276.05/x - Step 3: Cross multiply
2,918,816.86x = 4,378,225.06 × 1,479,276.05 - Step 4: Simplify right side
2,918,816.86x = 6,476,603,458,124.06 - Step 5: Solve for x
x = 6,476,603,458,124.06/2,918,816.86 - Step 6: Final answer
x = 2,218,913.96
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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.