Finding the Fourth Proportional to 4,428,962.70, 6,111,968.49 and 2,391,772.02
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Solution
The fourth proportional to 4,428,962.70, 6,111,968.49 and 2,391,772.02 is: 3,300,645.37
Step by Step Solution
- Step 1: Write the proportion equation
4,428,962.70 : 6,111,968.49 = 2,391,772.02 : x - Step 2: Convert to fraction form
4,428,962.70/6,111,968.49 = 2,391,772.02/x - Step 3: Cross multiply
4,428,962.70x = 6,111,968.49 × 2,391,772.02 - Step 4: Simplify right side
4,428,962.70x = 14,618,435,221,503.65 - Step 5: Solve for x
x = 14,618,435,221,503.65/4,428,962.70 - Step 6: Final answer
x = 3,300,645.37
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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.