Finding the Fourth Proportional to 4,748,295.30, 6,554,907.02 and 3,181,125.60
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Solution
The fourth proportional to 4,748,295.30, 6,554,907.02 and 3,181,125.60 is: 4,391,467.09
Step by Step Solution
- Step 1: Write the proportion equation
4,748,295.30 : 6,554,907.02 = 3,181,125.60 : x - Step 2: Convert to fraction form
4,748,295.30/6,554,907.02 = 3,181,125.60/x - Step 3: Cross multiply
4,748,295.30x = 6,554,907.02 × 3,181,125.60 - Step 4: Simplify right side
4,748,295.30x = 20,851,982,526,941.71 - Step 5: Solve for x
x = 20,851,982,526,941.71/4,748,295.30 - Step 6: Final answer
x = 4,391,467.09
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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.