Finding the Fourth Proportional to 1,946,521.12, 2,666,689.36 and 1,873,745.20
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Solution
The fourth proportional to 1,946,521.12, 2,666,689.36 and 1,873,745.20 is: 2,566,988.02
Step by Step Solution
- Step 1: Write the proportion equation
1,946,521.12 : 2,666,689.36 = 1,873,745.20 : x - Step 2: Convert to fraction form
1,946,521.12/2,666,689.36 = 1,873,745.20/x - Step 3: Cross multiply
1,946,521.12x = 2,666,689.36 × 1,873,745.20 - Step 4: Simplify right side
1,946,521.12x = 4,996,696,388,191.07 - Step 5: Solve for x
x = 4,996,696,388,191.07/1,946,521.12 - Step 6: Final answer
x = 2,566,988.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.