Finding the Fourth Proportional to 2,698,716.03, 3,721,816.45 and 2,239,102.59
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Solution
The fourth proportional to 2,698,716.03, 3,721,816.45 and 2,239,102.59 is: 3,087,960.63
Step by Step Solution
- Step 1: Write the proportion equation
2,698,716.03 : 3,721,816.45 = 2,239,102.59 : x - Step 2: Convert to fraction form
2,698,716.03/3,721,816.45 = 2,239,102.59/x - Step 3: Cross multiply
2,698,716.03x = 3,721,816.45 × 2,239,102.59 - Step 4: Simplify right side
2,698,716.03x = 8,333,528,852,699.61 - Step 5: Solve for x
x = 8,333,528,852,699.61/2,698,716.03 - Step 6: Final answer
x = 3,087,960.63
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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.