Finding the Fourth Proportional to 2,462,923.19, 3,398,798.70 and 1,375,211.85
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Solution
The fourth proportional to 2,462,923.19, 3,398,798.70 and 1,375,211.85 is: 1,897,772.65
Step by Step Solution
- Step 1: Write the proportion equation
2,462,923.19 : 3,398,798.70 = 1,375,211.85 : x - Step 2: Convert to fraction form
2,462,923.19/3,398,798.70 = 1,375,211.85/x - Step 3: Cross multiply
2,462,923.19x = 3,398,798.70 × 1,375,211.85 - Step 4: Simplify right side
2,462,923.19x = 4,674,068,251,442.63 - Step 5: Solve for x
x = 4,674,068,251,442.63/2,462,923.19 - Step 6: Final answer
x = 1,897,772.65
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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.