Finding the Fourth Proportional to 2,272,120.08, 3,135,416.28 and 1,239,566.40
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Solution
The fourth proportional to 2,272,120.08, 3,135,416.28 and 1,239,566.40 is: 1,710,541.93
Step by Step Solution
- Step 1: Write the proportion equation
2,272,120.08 : 3,135,416.28 = 1,239,566.40 : x - Step 2: Convert to fraction form
2,272,120.08/3,135,416.28 = 1,239,566.40/x - Step 3: Cross multiply
2,272,120.08x = 3,135,416.28 × 1,239,566.40 - Step 4: Simplify right side
2,272,120.08x = 3,886,556,670,700.99 - Step 5: Solve for x
x = 3,886,556,670,700.99/2,272,120.08 - Step 6: Final answer
x = 1,710,541.93
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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.