Finding the Fourth Proportional to 6,168,618.12, 8,513,264.24 and 3,415,305.59
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Solution
The fourth proportional to 6,168,618.12, 8,513,264.24 and 3,415,305.59 is: 4,713,437.98
Step by Step Solution
- Step 1: Write the proportion equation
6,168,618.12 : 8,513,264.24 = 3,415,305.59 : x - Step 2: Convert to fraction form
6,168,618.12/8,513,264.24 = 3,415,305.59/x - Step 3: Cross multiply
6,168,618.12x = 8,513,264.24 × 3,415,305.59 - Step 4: Simplify right side
6,168,618.12x = 29,075,398,930,942.57 - Step 5: Solve for x
x = 29,075,398,930,942.57/6,168,618.12 - Step 6: Final answer
x = 4,713,437.98
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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.