Finding the Fourth Proportional to 5,787,545.83, 7,986,237.79 and 3,340,945.08
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Solution
The fourth proportional to 5,787,545.83, 7,986,237.79 and 3,340,945.08 is: 4,610,172.02
Step by Step Solution
- Step 1: Write the proportion equation
5,787,545.83 : 7,986,237.79 = 3,340,945.08 : x - Step 2: Convert to fraction form
5,787,545.83/7,986,237.79 = 3,340,945.08/x - Step 3: Cross multiply
5,787,545.83x = 7,986,237.79 × 3,340,945.08 - Step 4: Simplify right side
5,787,545.83x = 26,681,581,852,210.57 - Step 5: Solve for x
x = 26,681,581,852,210.57/5,787,545.83 - Step 6: Final answer
x = 4,610,172.02
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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.