Finding the Fourth Proportional to 4,153,138.46, 5,731,332.21 and 2,292,555.09
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Solution
The fourth proportional to 4,153,138.46, 5,731,332.21 and 2,292,555.09 is: 3,163,726.65
Step by Step Solution
- Step 1: Write the proportion equation
4,153,138.46 : 5,731,332.21 = 2,292,555.09 : x - Step 2: Convert to fraction form
4,153,138.46/5,731,332.21 = 2,292,555.09/x - Step 3: Cross multiply
4,153,138.46x = 5,731,332.21 × 2,292,555.09 - Step 4: Simplify right side
4,153,138.46x = 13,139,394,830,516.45 - Step 5: Solve for x
x = 13,139,394,830,516.45/4,153,138.46 - Step 6: Final answer
x = 3,163,726.65
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1.5x scale
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.