Finding the Fourth Proportional to 2,136,076.49, 2,947,860.50 and 1,169,207.55
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Solution
The fourth proportional to 2,136,076.49, 2,947,860.50 and 1,169,207.55 is: 1,613,547.44
Step by Step Solution
- Step 1: Write the proportion equation
2,136,076.49 : 2,947,860.50 = 1,169,207.55 : x - Step 2: Convert to fraction form
2,136,076.49/2,947,860.50 = 1,169,207.55/x - Step 3: Cross multiply
2,136,076.49x = 2,947,860.50 × 1,169,207.55 - Step 4: Simplify right side
2,136,076.49x = 3,446,660,755,869.79 - Step 5: Solve for x
x = 3,446,660,755,869.79/2,136,076.49 - Step 6: Final answer
x = 1,613,547.44
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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.