Finding the Fourth Proportional to 2,462,946.84, 3,398,831.37 and 1,375,235.55
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Solution
The fourth proportional to 2,462,946.84, 3,398,831.37 and 1,375,235.55 is: 1,897,805.37
Step by Step Solution
- Step 1: Write the proportion equation
2,462,946.84 : 3,398,831.37 = 1,375,235.55 : x - Step 2: Convert to fraction form
2,462,946.84/3,398,831.37 = 1,375,235.55/x - Step 3: Cross multiply
2,462,946.84x = 3,398,831.37 × 1,375,235.55 - Step 4: Simplify right side
2,462,946.84x = 4,674,193,728,479.20 - Step 5: Solve for x
x = 4,674,193,728,479.20/2,462,946.84 - Step 6: Final answer
x = 1,897,805.37
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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.