Finding the Fourth Proportional to 6,364,891.84, 8,782,888.80 and 3,610,701.76
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Solution
The fourth proportional to 6,364,891.84, 8,782,888.80 and 3,610,701.76 is: 4,982,392.92
Step by Step Solution
- Step 1: Write the proportion equation
6,364,891.84 : 8,782,888.80 = 3,610,701.76 : x - Step 2: Convert to fraction form
6,364,891.84/8,782,888.80 = 3,610,701.76/x - Step 3: Cross multiply
6,364,891.84x = 8,782,888.80 × 3,610,701.76 - Step 4: Simplify right side
6,364,891.84x = 31,712,392,048,044.29 - Step 5: Solve for x
x = 31,712,392,048,044.29/6,364,891.84 - Step 6: Final answer
x = 4,982,392.92
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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.