Finding the Fourth Proportional to 2,680,767.99, 3,699,442.47 and 1,535,069.77
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Solution
The fourth proportional to 2,680,767.99, 3,699,442.47 and 1,535,069.77 is: 2,118,386.34
Step by Step Solution
- Step 1: Write the proportion equation
2,680,767.99 : 3,699,442.47 = 1,535,069.77 : x - Step 2: Convert to fraction form
2,680,767.99/3,699,442.47 = 1,535,069.77/x - Step 3: Cross multiply
2,680,767.99x = 3,699,442.47 × 1,535,069.77 - Step 4: Simplify right side
2,680,767.99x = 5,678,902,301,551.13 - Step 5: Solve for x
x = 5,678,902,301,551.13/2,680,767.99 - Step 6: Final answer
x = 2,118,386.34
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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.