Finding the Fourth Proportional to 1,873,197.44, 2,585,012.64 and 1,013,763.92
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Solution
The fourth proportional to 1,873,197.44, 2,585,012.64 and 1,013,763.92 is: 1,398,994.30
Step by Step Solution
- Step 1: Write the proportion equation
1,873,197.44 : 2,585,012.64 = 1,013,763.92 : x - Step 2: Convert to fraction form
1,873,197.44/2,585,012.64 = 1,013,763.92/x - Step 3: Cross multiply
1,873,197.44x = 2,585,012.64 × 1,013,763.92 - Step 4: Simplify right side
1,873,197.44x = 2,620,592,547,175.95 - Step 5: Solve for x
x = 2,620,592,547,175.95/1,873,197.44 - Step 6: Final answer
x = 1,398,994.30
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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.