Finding the Fourth Proportional to 2,009,534.77, 2,772,472.13 and 1,245,309.49
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Solution
The fourth proportional to 2,009,534.77, 2,772,472.13 and 1,245,309.49 is: 1,718,102.07
Step by Step Solution
- Step 1: Write the proportion equation
2,009,534.77 : 2,772,472.13 = 1,245,309.49 : x - Step 2: Convert to fraction form
2,009,534.77/2,772,472.13 = 1,245,309.49/x - Step 3: Cross multiply
2,009,534.77x = 2,772,472.13 × 1,245,309.49 - Step 4: Simplify right side
2,009,534.77x = 3,452,585,840,387.15 - Step 5: Solve for x
x = 3,452,585,840,387.15/2,009,534.77 - Step 6: Final answer
x = 1,718,102.07
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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.