Finding the Fourth Proportional to 4,832,555.21, 6,668,746.83 and 2,656,968.92
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Solution
The fourth proportional to 4,832,555.21, 6,668,746.83 and 2,656,968.92 is: 3,666,518.50
Step by Step Solution
- Step 1: Write the proportion equation
4,832,555.21 : 6,668,746.83 = 2,656,968.92 : x - Step 2: Convert to fraction form
4,832,555.21/6,668,746.83 = 2,656,968.92/x - Step 3: Cross multiply
4,832,555.21x = 6,668,746.83 × 2,656,968.92 - Step 4: Simplify right side
4,832,555.21x = 17,718,653,062,658.52 - Step 5: Solve for x
x = 17,718,653,062,658.52/4,832,555.21 - Step 6: Final answer
x = 3,666,518.50
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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.