Finding the Fourth Proportional to 5,338,831.36, 7,367,590.40 and 2,924,423.68
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Solution
The fourth proportional to 5,338,831.36, 7,367,590.40 and 2,924,423.68 is: 4,035,706.39
Step by Step Solution
- Step 1: Write the proportion equation
5,338,831.36 : 7,367,590.40 = 2,924,423.68 : x - Step 2: Convert to fraction form
5,338,831.36/7,367,590.40 = 2,924,423.68/x - Step 3: Cross multiply
5,338,831.36x = 7,367,590.40 × 2,924,423.68 - Step 4: Simplify right side
5,338,831.36x = 21,545,955,830,300.68 - Step 5: Solve for x
x = 21,545,955,830,300.68/5,338,831.36 - Step 6: Final answer
x = 4,035,706.39
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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.