Finding the Fourth Proportional to 5,119,996.14, 7,065,573.12 and 2,828,156.85
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Solution
The fourth proportional to 5,119,996.14, 7,065,573.12 and 2,828,156.85 is: 3,902,844.55
Step by Step Solution
- Step 1: Write the proportion equation
5,119,996.14 : 7,065,573.12 = 2,828,156.85 : x - Step 2: Convert to fraction form
5,119,996.14/7,065,573.12 = 2,828,156.85/x - Step 3: Cross multiply
5,119,996.14x = 7,065,573.12 × 2,828,156.85 - Step 4: Simplify right side
5,119,996.14x = 19,982,549,018,503.87 - Step 5: Solve for x
x = 19,982,549,018,503.87/5,119,996.14 - Step 6: Final answer
x = 3,902,844.55
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1.5x scale
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.