Finding the Fourth Proportional to 5,021,557.76, 6,929,700.48 and 2,729,582.08
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Solution
The fourth proportional to 5,021,557.76, 6,929,700.48 and 2,729,582.08 is: 3,766,796.51
Step by Step Solution
- Step 1: Write the proportion equation
5,021,557.76 : 6,929,700.48 = 2,729,582.08 : x - Step 2: Convert to fraction form
5,021,557.76/6,929,700.48 = 2,729,582.08/x - Step 3: Cross multiply
5,021,557.76x = 6,929,700.48 × 2,729,582.08 - Step 4: Simplify right side
5,021,557.76x = 18,915,186,249,975.40 - Step 5: Solve for x
x = 18,915,186,249,975.40/5,021,557.76 - Step 6: Final answer
x = 3,766,796.51
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1.5x scale
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.