Finding the Fourth Proportional to 4,748,562.39, 7,122,791.04 and 1,154,332.79
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Solution
The fourth proportional to 4,748,562.39, 7,122,791.04 and 1,154,332.79 is: 1,731,486.41
Step by Step Solution
- Step 1: Write the proportion equation
4,748,562.39 : 7,122,791.04 = 1,154,332.79 : x - Step 2: Convert to fraction form
4,748,562.39/7,122,791.04 = 1,154,332.79/x - Step 3: Cross multiply
4,748,562.39x = 7,122,791.04 × 1,154,332.79 - Step 4: Simplify right side
4,748,562.39x = 8,222,071,248,018.54 - Step 5: Solve for x
x = 8,222,071,248,018.54/4,748,562.39 - Step 6: Final answer
x = 1,731,486.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.