Finding the Fourth Proportional to 7,110,762.78, 9,811,146.09 and 4,319,830.23
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Solution
The fourth proportional to 7,110,762.78, 9,811,146.09 and 4,319,830.23 is: 5,960,328.97
Step by Step Solution
- Step 1: Write the proportion equation
7,110,762.78 : 9,811,146.09 = 4,319,830.23 : x - Step 2: Convert to fraction form
7,110,762.78/9,811,146.09 = 4,319,830.23/x - Step 3: Cross multiply
7,110,762.78x = 9,811,146.09 × 4,319,830.23 - Step 4: Simplify right side
7,110,762.78x = 42,382,485,449,935.87 - Step 5: Solve for x
x = 42,382,485,449,935.87/7,110,762.78 - Step 6: Final answer
x = 5,960,328.97
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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.