Finding the Fourth Proportional to 3,616,041.66, 4,989,807.65 and 2,145,696.80
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Solution
The fourth proportional to 3,616,041.66, 4,989,807.65 and 2,145,696.80 is: 2,960,865.85
Step by Step Solution
- Step 1: Write the proportion equation
3,616,041.66 : 4,989,807.65 = 2,145,696.80 : x - Step 2: Convert to fraction form
3,616,041.66/4,989,807.65 = 2,145,696.80/x - Step 3: Cross multiply
3,616,041.66x = 4,989,807.65 × 2,145,696.80 - Step 4: Simplify right side
3,616,041.66x = 10,706,614,271,543.00 - Step 5: Solve for x
x = 10,706,614,271,543.00/3,616,041.66 - Step 6: Final answer
x = 2,960,865.85
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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.