Finding the Fourth Proportional to 6,148,981.80, 9,223,691.40 and 1,889,143.20
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Solution
The fourth proportional to 6,148,981.80, 9,223,691.40 and 1,889,143.20 is: 2,833,781.99
Step by Step Solution
- Step 1: Write the proportion equation
6,148,981.80 : 9,223,691.40 = 1,889,143.20 : x - Step 2: Convert to fraction form
6,148,981.80/9,223,691.40 = 1,889,143.20/x - Step 3: Cross multiply
6,148,981.80x = 9,223,691.40 × 1,889,143.20 - Step 4: Simplify right side
6,148,981.80x = 17,424,873,887,208.48 - Step 5: Solve for x
x = 17,424,873,887,208.48/6,148,981.80 - Step 6: Final answer
x = 2,833,781.99
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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.