Finding the Fourth Proportional to 5,870,782.68, 8,102,565.62 and 3,580,271.96
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Solution
The fourth proportional to 5,870,782.68, 8,102,565.62 and 3,580,271.96 is: 4,941,315.34
Step by Step Solution
- Step 1: Write the proportion equation
5,870,782.68 : 8,102,565.62 = 3,580,271.96 : x - Step 2: Convert to fraction form
5,870,782.68/8,102,565.62 = 3,580,271.96/x - Step 3: Cross multiply
5,870,782.68x = 8,102,565.62 × 3,580,271.96 - Step 4: Simplify right side
5,870,782.68x = 29,009,388,493,346.02 - Step 5: Solve for x
x = 29,009,388,493,346.02/5,870,782.68 - Step 6: Final answer
x = 4,941,315.34
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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.