Finding the Fourth Proportional to 2,923,719.42, 4,386,326.58 and 1,126,120.44
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Solution
The fourth proportional to 2,923,719.42, 4,386,326.58 and 1,126,120.44 is: 1,689,468.55
Step by Step Solution
- Step 1: Write the proportion equation
2,923,719.42 : 4,386,326.58 = 1,126,120.44 : x - Step 2: Convert to fraction form
2,923,719.42/4,386,326.58 = 1,126,120.44/x - Step 3: Cross multiply
2,923,719.42x = 4,386,326.58 × 1,126,120.44 - Step 4: Simplify right side
2,923,719.42x = 4,939,532,018,253.30 - Step 5: Solve for x
x = 4,939,532,018,253.30/2,923,719.42 - Step 6: Final answer
x = 1,689,468.55
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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.