Finding the Fourth Proportional to 6,730,455.04, 9,288,842.88 and 3,830,551.36
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Solution
The fourth proportional to 6,730,455.04, 9,288,842.88 and 3,830,551.36 is: 5,286,624.68
Step by Step Solution
- Step 1: Write the proportion equation
6,730,455.04 : 9,288,842.88 = 3,830,551.36 : x - Step 2: Convert to fraction form
6,730,455.04/9,288,842.88 = 3,830,551.36/x - Step 3: Cross multiply
6,730,455.04x = 9,288,842.88 × 3,830,551.36 - Step 4: Simplify right side
6,730,455.04x = 35,581,389,726,810.32 - Step 5: Solve for x
x = 35,581,389,726,810.32/6,730,455.04 - Step 6: Final answer
x = 5,286,624.68
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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.