Finding the Fourth Proportional to 4,424,886.12, 6,638,029.02 and 1,584,935.40
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Solution
The fourth proportional to 4,424,886.12, 6,638,029.02 and 1,584,935.40 is: 2,377,653.77
Step by Step Solution
- Step 1: Write the proportion equation
4,424,886.12 : 6,638,029.02 = 1,584,935.40 : x - Step 2: Convert to fraction form
4,424,886.12/6,638,029.02 = 1,584,935.40/x - Step 3: Cross multiply
4,424,886.12x = 6,638,029.02 × 1,584,935.40 - Step 4: Simplify right side
4,424,886.12x = 10,520,847,180,025.31 - Step 5: Solve for x
x = 10,520,847,180,025.31/4,424,886.12 - Step 6: Final answer
x = 2,377,653.77
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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.