Finding the Fourth Proportional to 4,153,128.57, 5,731,318.58 and 2,292,545.21
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Solution
The fourth proportional to 4,153,128.57, 5,731,318.58 and 2,292,545.21 is: 3,163,713.02
Step by Step Solution
- Step 1: Write the proportion equation
4,153,128.57 : 5,731,318.58 = 2,292,545.21 : x - Step 2: Convert to fraction form
4,153,128.57/5,731,318.58 = 2,292,545.21/x - Step 3: Cross multiply
4,153,128.57x = 5,731,318.58 × 2,292,545.21 - Step 4: Simplify right side
4,153,128.57x = 13,139,306,917,443.68 - Step 5: Solve for x
x = 13,139,306,917,443.68/4,153,128.57 - Step 6: Final answer
x = 3,163,713.02
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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.