Finding the Fourth Proportional to 4,371,021.20, 6,553,032.60 and 1,844,598.80
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Solution
The fourth proportional to 4,371,021.20, 6,553,032.60 and 1,844,598.80 is: 2,765,421.52
Step by Step Solution
- Step 1: Write the proportion equation
4,371,021.20 : 6,553,032.60 = 1,844,598.80 : x - Step 2: Convert to fraction form
4,371,021.20/6,553,032.60 = 1,844,598.80/x - Step 3: Cross multiply
4,371,021.20x = 6,553,032.60 × 1,844,598.80 - Step 4: Simplify right side
4,371,021.20x = 12,087,716,070,320.88 - Step 5: Solve for x
x = 12,087,716,070,320.88/4,371,021.20 - Step 6: Final answer
x = 2,765,421.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.