Finding the Fourth Proportional to 2,312,303.99, 3,190,713.21 and 1,332,385.83
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Solution
The fourth proportional to 2,312,303.99, 3,190,713.21 and 1,332,385.83 is: 1,838,539.01
Step by Step Solution
- Step 1: Write the proportion equation
2,312,303.99 : 3,190,713.21 = 1,332,385.83 : x - Step 2: Convert to fraction form
2,312,303.99/3,190,713.21 = 1,332,385.83/x - Step 3: Cross multiply
2,312,303.99x = 3,190,713.21 × 1,332,385.83 - Step 4: Simplify right side
2,312,303.99x = 4,251,261,068,597.81 - Step 5: Solve for x
x = 4,251,261,068,597.81/2,312,303.99 - Step 6: Final answer
x = 1,838,539.01
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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.