Finding the Fourth Proportional to 5,048,356.16, 6,967,013.76 and 2,756,729.60
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Solution
The fourth proportional to 5,048,356.16, 6,967,013.76 and 2,756,729.60 is: 3,804,440.98
Step by Step Solution
- Step 1: Write the proportion equation
5,048,356.16 : 6,967,013.76 = 2,756,729.60 : x - Step 2: Convert to fraction form
5,048,356.16/6,967,013.76 = 2,756,729.60/x - Step 3: Cross multiply
5,048,356.16x = 6,967,013.76 × 2,756,729.60 - Step 4: Simplify right side
5,048,356.16x = 19,206,173,055,799.30 - Step 5: Solve for x
x = 19,206,173,055,799.30/5,048,356.16 - Step 6: Final answer
x = 3,804,440.98
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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.