Finding the Fourth Proportional to 1,912,656, 2,639,465.28 and 1,053,214.21
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Solution
The fourth proportional to 1,912,656, 2,639,465.28 and 1,053,214.21 is: 1,453,435.61
Step by Step Solution
- Step 1: Write the proportion equation
1,912,656 : 2,639,465.28 = 1,053,214.21 : x - Step 2: Convert to fraction form
1,912,656/2,639,465.28 = 1,053,214.21/x - Step 3: Cross multiply
1,912,656x = 2,639,465.28 × 1,053,214.21 - Step 4: Simplify right side
1,912,656x = 2,779,922,333,098.97 - Step 5: Solve for x
x = 2,779,922,333,098.97/1,912,656 - Step 6: Final answer
x = 1,453,435.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.