Finding the Fourth Proportional to 2,766,918.07, 4,122,871.45 and 2,465,079.40
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Solution
The fourth proportional to 2,766,918.07, 4,122,871.45 and 2,465,079.40 is: 3,673,113.99
Step by Step Solution
- Step 1: Write the proportion equation
2,766,918.07 : 4,122,871.45 = 2,465,079.40 : x - Step 2: Convert to fraction form
2,766,918.07/4,122,871.45 = 2,465,079.40/x - Step 3: Cross multiply
2,766,918.07x = 4,122,871.45 × 2,465,079.40 - Step 4: Simplify right side
2,766,918.07x = 10,163,205,480,243.13 - Step 5: Solve for x
x = 10,163,205,480,243.13/2,766,918.07 - Step 6: Final answer
x = 3,673,113.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.