Finding the Fourth Proportional to 4,257,980.61, 6,384,607.87 and 1,416,541.65
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Solution
The fourth proportional to 4,257,980.61, 6,384,607.87 and 1,416,541.65 is: 2,124,026.34
Step by Step Solution
- Step 1: Write the proportion equation
4,257,980.61 : 6,384,607.87 = 1,416,541.65 : x - Step 2: Convert to fraction form
4,257,980.61/6,384,607.87 = 1,416,541.65/x - Step 3: Cross multiply
4,257,980.61x = 6,384,607.87 × 1,416,541.65 - Step 4: Simplify right side
4,257,980.61x = 9,044,062,966,772.79 - Step 5: Solve for x
x = 9,044,062,966,772.79/4,257,980.61 - Step 6: Final answer
x = 2,124,026.34
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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.