Finding the Fourth Proportional to 7,024,824.54, 10,538,740.88 and 2,101,242.95
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Solution
The fourth proportional to 7,024,824.54, 10,538,740.88 and 2,101,242.95 is: 3,152,314.32
Step by Step Solution
- Step 1: Write the proportion equation
7,024,824.54 : 10,538,740.88 = 2,101,242.95 : x - Step 2: Convert to fraction form
7,024,824.54/10,538,740.88 = 2,101,242.95/x - Step 3: Cross multiply
7,024,824.54x = 10,538,740.88 × 2,101,242.95 - Step 4: Simplify right side
7,024,824.54x = 22,144,454,975,976.80 - Step 5: Solve for x
x = 22,144,454,975,976.80/7,024,824.54 - Step 6: Final answer
x = 3,152,314.32
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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.