Finding the Fourth Proportional to 1,607,454.70, 2,218,398.36 and 1,062,645.66
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Solution
The fourth proportional to 1,607,454.70, 2,218,398.36 and 1,062,645.66 is: 1,466,524.31
Step by Step Solution
- Step 1: Write the proportion equation
1,607,454.70 : 2,218,398.36 = 1,062,645.66 : x - Step 2: Convert to fraction form
1,607,454.70/2,218,398.36 = 1,062,645.66/x - Step 3: Cross multiply
1,607,454.70x = 2,218,398.36 × 1,062,645.66 - Step 4: Simplify right side
1,607,454.70x = 2,357,371,389,405.12 - Step 5: Solve for x
x = 2,357,371,389,405.12/1,607,454.70 - Step 6: Final answer
x = 1,466,524.31
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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.