Finding the Fourth Proportional to 5,566,641.99, 7,677,411.48 and 3,918,245.91
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Solution
The fourth proportional to 5,566,641.99, 7,677,411.48 and 3,918,245.91 is: 5,403,973.56
Step by Step Solution
- Step 1: Write the proportion equation
5,566,641.99 : 7,677,411.48 = 3,918,245.91 : x - Step 2: Convert to fraction form
5,566,641.99/7,677,411.48 = 3,918,245.91/x - Step 3: Cross multiply
5,566,641.99x = 7,677,411.48 × 3,918,245.91 - Step 4: Simplify right side
5,566,641.99x = 30,081,986,130,897.05 - Step 5: Solve for x
x = 30,081,986,130,897.05/5,566,641.99 - Step 6: Final answer
x = 5,403,973.56
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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.