Finding the Fourth Proportional to 2,689,653.67, 3,711,723.44 and 1,528,101.94
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Solution
The fourth proportional to 2,689,653.67, 3,711,723.44 and 1,528,101.94 is: 2,108,781.45
Step by Step Solution
- Step 1: Write the proportion equation
2,689,653.67 : 3,711,723.44 = 1,528,101.94 : x - Step 2: Convert to fraction form
2,689,653.67/3,711,723.44 = 1,528,101.94/x - Step 3: Cross multiply
2,689,653.67x = 3,711,723.44 × 1,528,101.94 - Step 4: Simplify right side
2,689,653.67x = 5,671,891,763,208.35 - Step 5: Solve for x
x = 5,671,891,763,208.35/2,689,653.67 - Step 6: Final answer
x = 2,108,781.45
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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.