Finding the Fourth Proportional to 5,787,267.08, 7,986,039.28 and 3,208,852.40
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Solution
The fourth proportional to 5,787,267.08, 7,986,039.28 and 3,208,852.40 is: 4,428,000.46
Step by Step Solution
- Step 1: Write the proportion equation
5,787,267.08 : 7,986,039.28 = 3,208,852.40 : x - Step 2: Convert to fraction form
5,787,267.08/7,986,039.28 = 3,208,852.40/x - Step 3: Cross multiply
5,787,267.08x = 7,986,039.28 × 3,208,852.40 - Step 4: Simplify right side
5,787,267.08x = 25,626,021,262,169.95 - Step 5: Solve for x
x = 25,626,021,262,169.95/5,787,267.08 - Step 6: Final answer
x = 4,428,000.46
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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.