Finding the Fourth Proportional to 2,877,021.97, 3,970,270.79 and 1,587,862.36
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Solution
The fourth proportional to 2,877,021.97, 3,970,270.79 and 1,587,862.36 is: 2,191,239.27
Step by Step Solution
- Step 1: Write the proportion equation
2,877,021.97 : 3,970,270.79 = 1,587,862.36 : x - Step 2: Convert to fraction form
2,877,021.97/3,970,270.79 = 1,587,862.36/x - Step 3: Cross multiply
2,877,021.97x = 3,970,270.79 × 1,587,862.36 - Step 4: Simplify right side
2,877,021.97x = 6,304,243,535,468.59 - Step 5: Solve for x
x = 6,304,243,535,468.59/2,877,021.97 - Step 6: Final answer
x = 2,191,239.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.