Finding the Fourth Proportional to 4,554,958.24, 6,830,113.56 and 1,521,231.28
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Solution
The fourth proportional to 4,554,958.24, 6,830,113.56 and 1,521,231.28 is: 2,281,070.83
Step by Step Solution
- Step 1: Write the proportion equation
4,554,958.24 : 6,830,113.56 = 1,521,231.28 : x - Step 2: Convert to fraction form
4,554,958.24/6,830,113.56 = 1,521,231.28/x - Step 3: Cross multiply
4,554,958.24x = 6,830,113.56 × 1,521,231.28 - Step 4: Simplify right side
4,554,958.24x = 10,390,182,393,424.16 - Step 5: Solve for x
x = 10,390,182,393,424.16/4,554,958.24 - Step 6: Final answer
x = 2,281,070.83
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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.