Finding the Fourth Proportional to 2,068,982.48, 2,855,177.16 and 1,163,545.04
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Solution
The fourth proportional to 2,068,982.48, 2,855,177.16 and 1,163,545.04 is: 1,605,681.66
Step by Step Solution
- Step 1: Write the proportion equation
2,068,982.48 : 2,855,177.16 = 1,163,545.04 : x - Step 2: Convert to fraction form
2,068,982.48/2,855,177.16 = 1,163,545.04/x - Step 3: Cross multiply
2,068,982.48x = 2,855,177.16 × 1,163,545.04 - Step 4: Simplify right side
2,068,982.48x = 3,322,127,222,839.29 - Step 5: Solve for x
x = 3,322,127,222,839.29/2,068,982.48 - Step 6: Final answer
x = 1,605,681.66
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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.