Finding the Fourth Proportional to 7,279,358.40, 10,918,000.80 and 2,487,268.80
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Solution
The fourth proportional to 7,279,358.40, 10,918,000.80 and 2,487,268.80 is: 3,730,548.94
Step by Step Solution
- Step 1: Write the proportion equation
7,279,358.40 : 10,918,000.80 = 2,487,268.80 : x - Step 2: Convert to fraction form
7,279,358.40/10,918,000.80 = 2,487,268.80/x - Step 3: Cross multiply
7,279,358.40x = 10,918,000.80 × 2,487,268.80 - Step 4: Simplify right side
7,279,358.40x = 27,156,002,748,215.04 - Step 5: Solve for x
x = 27,156,002,748,215.04/7,279,358.40 - Step 6: Final answer
x = 3,730,548.94
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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.