Finding the Fourth Proportional to 5,116,460.68, 7,672,123.74 and 1,703,545.12
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Solution
The fourth proportional to 5,116,460.68, 7,672,123.74 and 1,703,545.12 is: 2,554,462.89
Step by Step Solution
- Step 1: Write the proportion equation
5,116,460.68 : 7,672,123.74 = 1,703,545.12 : x - Step 2: Convert to fraction form
5,116,460.68/7,672,123.74 = 1,703,545.12/x - Step 3: Cross multiply
5,116,460.68x = 7,672,123.74 × 1,703,545.12 - Step 4: Simplify right side
5,116,460.68x = 13,069,808,957,313.15 - Step 5: Solve for x
x = 13,069,808,957,313.15/5,116,460.68 - Step 6: Final answer
x = 2,554,462.89
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1.5x scale
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.