Finding the Fourth Proportional to 5,221,696.02, 7,832,598.12 and 1,578,456.24
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Solution
The fourth proportional to 5,221,696.02, 7,832,598.12 and 1,578,456.24 is: 2,367,700.71
Step by Step Solution
- Step 1: Write the proportion equation
5,221,696.02 : 7,832,598.12 = 1,578,456.24 : x - Step 2: Convert to fraction form
5,221,696.02/7,832,598.12 = 1,578,456.24/x - Step 3: Cross multiply
5,221,696.02x = 7,832,598.12 × 1,578,456.24 - Step 4: Simplify right side
5,221,696.02x = 12,363,413,377,926.27 - Step 5: Solve for x
x = 12,363,413,377,926.27/5,221,696.02 - Step 6: Final answer
x = 2,367,700.71
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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.