Finding the Fourth Proportional to 2,515,186.62, 3,470,848.65 and 1,369,270.98
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Solution
The fourth proportional to 2,515,186.62, 3,470,848.65 and 1,369,270.98 is: 1,889,534.67
Step by Step Solution
- Step 1: Write the proportion equation
2,515,186.62 : 3,470,848.65 = 1,369,270.98 : x - Step 2: Convert to fraction form
2,515,186.62/3,470,848.65 = 1,369,270.98/x - Step 3: Cross multiply
2,515,186.62x = 3,470,848.65 × 1,369,270.98 - Step 4: Simplify right side
2,515,186.62x = 4,752,532,332,417.18 - Step 5: Solve for x
x = 4,752,532,332,417.18/2,515,186.62 - Step 6: Final answer
x = 1,889,534.67
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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.