Finding the Fourth Proportional to 4,756,912.65, 6,564,543.62 and 2,581,455.74
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Solution
The fourth proportional to 4,756,912.65, 6,564,543.62 and 2,581,455.74 is: 3,562,411.17
Step by Step Solution
- Step 1: Write the proportion equation
4,756,912.65 : 6,564,543.62 = 2,581,455.74 : x - Step 2: Convert to fraction form
4,756,912.65/6,564,543.62 = 2,581,455.74/x - Step 3: Cross multiply
4,756,912.65x = 6,564,543.62 × 2,581,455.74 - Step 4: Simplify right side
4,756,912.65x = 16,946,078,762,599.38 - Step 5: Solve for x
x = 16,946,078,762,599.38/4,756,912.65 - Step 6: Final answer
x = 3,562,411.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.