Finding the Fourth Proportional to 2,069,372.91, 2,855,705.36 and 1,163,952.75
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Solution
The fourth proportional to 2,069,372.91, 2,855,705.36 and 1,163,952.75 is: 1,606,238.34
Step by Step Solution
- Step 1: Write the proportion equation
2,069,372.91 : 2,855,705.36 = 1,163,952.75 : x - Step 2: Convert to fraction form
2,069,372.91/2,855,705.36 = 1,163,952.75/x - Step 3: Cross multiply
2,069,372.91x = 2,855,705.36 × 1,163,952.75 - Step 4: Simplify right side
2,069,372.91x = 3,323,906,101,141.98 - Step 5: Solve for x
x = 3,323,906,101,141.98/2,069,372.91 - Step 6: Final answer
x = 1,606,238.34
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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.