Finding the Fourth Proportional to 4,606,291.80, 6,909,437.70 and 2,208,902.40
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Solution
The fourth proportional to 4,606,291.80, 6,909,437.70 and 2,208,902.40 is: 3,313,353.60
Step by Step Solution
- Step 1: Write the proportion equation
4,606,291.80 : 6,909,437.70 = 2,208,902.40 : x - Step 2: Convert to fraction form
4,606,291.80/6,909,437.70 = 2,208,902.40/x - Step 3: Cross multiply
4,606,291.80x = 6,909,437.70 × 2,208,902.40 - Step 4: Simplify right side
4,606,291.80x = 15,262,273,518,180.48 - Step 5: Solve for x
x = 15,262,273,518,180.48/4,606,291.80 - Step 6: Final answer
x = 3,313,353.60
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1.5x scale
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.