Finding the Fourth Proportional to 7,221,710.40, 10,837,261.26 and 3,127,030.19
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Solution
The fourth proportional to 7,221,710.40, 10,837,261.26 and 3,127,030.19 is: 4,692,578.52
Step by Step Solution
- Step 1: Write the proportion equation
7,221,710.40 : 10,837,261.26 = 3,127,030.19 : x - Step 2: Convert to fraction form
7,221,710.40/10,837,261.26 = 3,127,030.19/x - Step 3: Cross multiply
7,221,710.40x = 10,837,261.26 × 3,127,030.19 - Step 4: Simplify right side
7,221,710.40x = 33,888,443,082,751.13 - Step 5: Solve for x
x = 33,888,443,082,751.13/7,221,710.40 - Step 6: Final answer
x = 4,692,578.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.