Finding the Fourth Proportional to 1,775,682.74, 2,448,807.98 and 1,163,613.20
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Solution
The fourth proportional to 1,775,682.74, 2,448,807.98 and 1,163,613.20 is: 1,604,715.31
Step by Step Solution
- Step 1: Write the proportion equation
1,775,682.74 : 2,448,807.98 = 1,163,613.20 : x - Step 2: Convert to fraction form
1,775,682.74/2,448,807.98 = 1,163,613.20/x - Step 3: Cross multiply
1,775,682.74x = 2,448,807.98 × 1,163,613.20 - Step 4: Simplify right side
1,775,682.74x = 2,849,465,271,731.23 - Step 5: Solve for x
x = 2,849,465,271,731.23/1,775,682.74 - Step 6: Final answer
x = 1,604,715.31
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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.