Finding the Fourth Proportional to 4,653,831.35, 6,980,748.38 and 1,459,206.63
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Solution
The fourth proportional to 4,653,831.35, 6,980,748.38 and 1,459,206.63 is: 2,188,810.37
Step by Step Solution
- Step 1: Write the proportion equation
4,653,831.35 : 6,980,748.38 = 1,459,206.63 : x - Step 2: Convert to fraction form
4,653,831.35/6,980,748.38 = 1,459,206.63/x - Step 3: Cross multiply
4,653,831.35x = 6,980,748.38 × 1,459,206.63 - Step 4: Simplify right side
4,653,831.35x = 10,186,354,311,161.72 - Step 5: Solve for x
x = 10,186,354,311,161.72/4,653,831.35 - Step 6: Final answer
x = 2,188,810.37
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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.