Finding the Fourth Proportional to 6,475,329.28, 8,935,967.64 and 3,574,724.14
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Solution
The fourth proportional to 6,475,329.28, 8,935,967.64 and 3,574,724.14 is: 4,933,126.62
Step by Step Solution
- Step 1: Write the proportion equation
6,475,329.28 : 8,935,967.64 = 3,574,724.14 : x - Step 2: Convert to fraction form
6,475,329.28/8,935,967.64 = 3,574,724.14/x - Step 3: Cross multiply
6,475,329.28x = 8,935,967.64 × 3,574,724.14 - Step 4: Simplify right side
6,475,329.28x = 31,943,619,236,966.83 - Step 5: Solve for x
x = 31,943,619,236,966.83/6,475,329.28 - Step 6: Final answer
x = 4,933,126.62
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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.