Finding the Fourth Proportional to 2,125,578.56, 2,933,192.40 and 1,207,686.46
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Solution
The fourth proportional to 2,125,578.56, 2,933,192.40 and 1,207,686.46 is: 1,666,547.08
Step by Step Solution
- Step 1: Write the proportion equation
2,125,578.56 : 2,933,192.40 = 1,207,686.46 : x - Step 2: Convert to fraction form
2,125,578.56/2,933,192.40 = 1,207,686.46/x - Step 3: Cross multiply
2,125,578.56x = 2,933,192.40 × 1,207,686.46 - Step 4: Simplify right side
2,125,578.56x = 3,542,376,746,054.90 - Step 5: Solve for x
x = 3,542,376,746,054.90/2,125,578.56 - Step 6: Final answer
x = 1,666,547.08
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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.