Finding the Fourth Proportional to 4,370,831.60, 6,556,247.40 and 2,670,220.40
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Solution
The fourth proportional to 4,370,831.60, 6,556,247.40 and 2,670,220.40 is: 4,005,330.60
Step by Step Solution
- Step 1: Write the proportion equation
4,370,831.60 : 6,556,247.40 = 2,670,220.40 : x - Step 2: Convert to fraction form
4,370,831.60/6,556,247.40 = 2,670,220.40/x - Step 3: Cross multiply
4,370,831.60x = 6,556,247.40 × 2,670,220.40 - Step 4: Simplify right side
4,370,831.60x = 17,506,625,554,926.96 - Step 5: Solve for x
x = 17,506,625,554,926.96/4,370,831.60 - Step 6: Final answer
x = 4,005,330.60
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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.