Finding the Fourth Proportional to 5,133,437.96, 7,707,726.72 and 2,863,397.60
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Solution
The fourth proportional to 5,133,437.96, 7,707,726.72 and 2,863,397.60 is: 4,299,318.77
Step by Step Solution
- Step 1: Write the proportion equation
5,133,437.96 : 7,707,726.72 = 2,863,397.60 : x - Step 2: Convert to fraction form
5,133,437.96/7,707,726.72 = 2,863,397.60/x - Step 3: Cross multiply
5,133,437.96x = 7,707,726.72 × 2,863,397.60 - Step 4: Simplify right side
5,133,437.96x = 22,070,286,191,503.87 - Step 5: Solve for x
x = 22,070,286,191,503.87/5,133,437.96 - Step 6: Final answer
x = 4,299,318.77
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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.