Finding the Fourth Proportional to 5,542,689.60, 8,316,799.20 and 3,148,372.80
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Solution
The fourth proportional to 5,542,689.60, 8,316,799.20 and 3,148,372.80 is: 4,724,129.67
Step by Step Solution
- Step 1: Write the proportion equation
5,542,689.60 : 8,316,799.20 = 3,148,372.80 : x - Step 2: Convert to fraction form
5,542,689.60/8,316,799.20 = 3,148,372.80/x - Step 3: Cross multiply
5,542,689.60x = 8,316,799.20 × 3,148,372.80 - Step 4: Simplify right side
5,542,689.60x = 26,184,384,384,341.76 - Step 5: Solve for x
x = 26,184,384,384,341.76/5,542,689.60 - Step 6: Final answer
x = 4,724,129.67
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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.