Finding the Fourth Proportional to 4,643,047.44, 6,926,867.96 and 4,391,934.48
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Solution
The fourth proportional to 4,643,047.44, 6,926,867.96 and 4,391,934.48 is: 6,552,237.64
Step by Step Solution
- Step 1: Write the proportion equation
4,643,047.44 : 6,926,867.96 = 4,391,934.48 : x - Step 2: Convert to fraction form
4,643,047.44/6,926,867.96 = 4,391,934.48/x - Step 3: Cross multiply
4,643,047.44x = 6,926,867.96 × 4,391,934.48 - Step 4: Simplify right side
4,643,047.44x = 30,422,350,209,971.59 - Step 5: Solve for x
x = 30,422,350,209,971.59/4,643,047.44 - Step 6: Final answer
x = 6,552,237.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.