Finding the Fourth Proportional to 4,480,475.66, 6,718,860.65 and 1,405,440.81
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Solution
The fourth proportional to 4,480,475.66, 6,718,860.65 and 1,405,440.81 is: 2,107,580.01
Step by Step Solution
- Step 1: Write the proportion equation
4,480,475.66 : 6,718,860.65 = 1,405,440.81 : x - Step 2: Convert to fraction form
4,480,475.66/6,718,860.65 = 1,405,440.81/x - Step 3: Cross multiply
4,480,475.66x = 6,718,860.65 × 1,405,440.81 - Step 4: Simplify right side
4,480,475.66x = 9,442,960,944,820.02 - Step 5: Solve for x
x = 9,442,960,944,820.02/4,480,475.66 - Step 6: Final answer
x = 2,107,580.01
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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.