Finding the Fourth Proportional to 5,355,433.68, 7,390,471.35 and 2,908,023.32
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Solution
The fourth proportional to 5,355,433.68, 7,390,471.35 and 2,908,023.32 is: 4,013,057.45
Step by Step Solution
- Step 1: Write the proportion equation
5,355,433.68 : 7,390,471.35 = 2,908,023.32 : x - Step 2: Convert to fraction form
5,355,433.68/7,390,471.35 = 2,908,023.32/x - Step 3: Cross multiply
5,355,433.68x = 7,390,471.35 × 2,908,023.32 - Step 4: Simplify right side
5,355,433.68x = 21,491,663,001,935.23 - Step 5: Solve for x
x = 21,491,663,001,935.23/5,355,433.68 - Step 6: Final answer
x = 4,013,057.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.