Finding the Fourth Proportional to 6,318,687.04, 8,710,718.88 and 4,504,701.76
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Solution
The fourth proportional to 6,318,687.04, 8,710,718.88 and 4,504,701.76 is: 6,210,022.81
Step by Step Solution
- Step 1: Write the proportion equation
6,318,687.04 : 8,710,718.88 = 4,504,701.76 : x - Step 2: Convert to fraction form
6,318,687.04/8,710,718.88 = 4,504,701.76/x - Step 3: Cross multiply
6,318,687.04x = 8,710,718.88 × 4,504,701.76 - Step 4: Simplify right side
6,318,687.04x = 39,239,190,669,601.23 - Step 5: Solve for x
x = 39,239,190,669,601.23/6,318,687.04 - Step 6: Final answer
x = 6,210,022.81
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1.5x scale
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.