Finding the Fourth Proportional to 1,939,657.84, 2,676,526.45 and 1,194,465.22
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Solution
The fourth proportional to 1,939,657.84, 2,676,526.45 and 1,194,465.22 is: 1,648,238.00
Step by Step Solution
- Step 1: Write the proportion equation
1,939,657.84 : 2,676,526.45 = 1,194,465.22 : x - Step 2: Convert to fraction form
1,939,657.84/2,676,526.45 = 1,194,465.22/x - Step 3: Cross multiply
1,939,657.84x = 2,676,526.45 × 1,194,465.22 - Step 4: Simplify right side
1,939,657.84x = 3,197,017,754,935.07 - Step 5: Solve for x
x = 3,197,017,754,935.07/1,939,657.84 - Step 6: Final answer
x = 1,648,238.00
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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.