Finding the Fourth Proportional to 4,155,373.80, 6,233,060.70 and 3,679,482.60
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Solution
The fourth proportional to 4,155,373.80, 6,233,060.70 and 3,679,482.60 is: 5,519,223.90
Step by Step Solution
- Step 1: Write the proportion equation
4,155,373.80 : 6,233,060.70 = 3,679,482.60 : x - Step 2: Convert to fraction form
4,155,373.80/6,233,060.70 = 3,679,482.60/x - Step 3: Cross multiply
4,155,373.80x = 6,233,060.70 × 3,679,482.60 - Step 4: Simplify right side
4,155,373.80x = 22,934,438,390,393.82 - Step 5: Solve for x
x = 22,934,438,390,393.82/4,155,373.80 - Step 6: Final answer
x = 5,519,223.90
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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.