Finding the Fourth Proportional to 2,013,128, 2,778,136.08 and 1,107,729.44
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Solution
The fourth proportional to 2,013,128, 2,778,136.08 and 1,107,729.44 is: 1,528,677.32
Step by Step Solution
- Step 1: Write the proportion equation
2,013,128 : 2,778,136.08 = 1,107,729.44 : x - Step 2: Convert to fraction form
2,013,128/2,778,136.08 = 1,107,729.44/x - Step 3: Cross multiply
2,013,128x = 2,778,136.08 × 1,107,729.44 - Step 4: Simplify right side
2,013,128x = 3,077,423,124,142.20 - Step 5: Solve for x
x = 3,077,423,124,142.20/2,013,128 - Step 6: Final answer
x = 1,528,677.32
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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.