Finding the Fourth Proportional to 2,406,169.17, 3,320,292.65 and 1,387,377.09
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Solution
The fourth proportional to 2,406,169.17, 3,320,292.65 and 1,387,377.09 is: 1,914,453.07
Step by Step Solution
- Step 1: Write the proportion equation
2,406,169.17 : 3,320,292.65 = 1,387,377.09 : x - Step 2: Convert to fraction form
2,406,169.17/3,320,292.65 = 1,387,377.09/x - Step 3: Cross multiply
2,406,169.17x = 3,320,292.65 × 1,387,377.09 - Step 4: Simplify right side
2,406,169.17x = 4,606,497,947,768.50 - Step 5: Solve for x
x = 4,606,497,947,768.50/2,406,169.17 - Step 6: Final answer
x = 1,914,453.07
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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.