Finding the Fourth Proportional to 1,556,545.73, 2,335,270.68 and 645,561.14
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Solution
The fourth proportional to 1,556,545.73, 2,335,270.68 and 645,561.14 is: 968,529.20
Step by Step Solution
- Step 1: Write the proportion equation
1,556,545.73 : 2,335,270.68 = 645,561.14 : x - Step 2: Convert to fraction form
1,556,545.73/2,335,270.68 = 645,561.14/x - Step 3: Cross multiply
1,556,545.73x = 2,335,270.68 × 645,561.14 - Step 4: Simplify right side
1,556,545.73x = 1,507,559,990,713.02 - Step 5: Solve for x
x = 1,507,559,990,713.02/1,556,545.73 - Step 6: Final answer
x = 968,529.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.