Finding the Fourth Proportional to 5,692,156.23, 7,855,152.10 and 3,078,663.21
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Solution
The fourth proportional to 5,692,156.23, 7,855,152.10 and 3,078,663.21 is: 4,248,542.51
Step by Step Solution
- Step 1: Write the proportion equation
5,692,156.23 : 7,855,152.10 = 3,078,663.21 : x - Step 2: Convert to fraction form
5,692,156.23/7,855,152.10 = 3,078,663.21/x - Step 3: Cross multiply
5,692,156.23x = 7,855,152.10 × 3,078,663.21 - Step 4: Simplify right side
5,692,156.23x = 24,183,367,724,555.16 - Step 5: Solve for x
x = 24,183,367,724,555.16/5,692,156.23 - Step 6: Final answer
x = 4,248,542.51
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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.