Finding the Fourth Proportional to 5,980,981.40, 8,973,545.70 and 2,617,602.20
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Solution
The fourth proportional to 5,980,981.40, 8,973,545.70 and 2,617,602.20 is: 3,927,310.82
Step by Step Solution
- Step 1: Write the proportion equation
5,980,981.40 : 8,973,545.70 = 2,617,602.20 : x - Step 2: Convert to fraction form
5,980,981.40/8,973,545.70 = 2,617,602.20/x - Step 3: Cross multiply
5,980,981.40x = 8,973,545.70 × 2,617,602.20 - Step 4: Simplify right side
5,980,981.40x = 23,489,172,966,120.54 - Step 5: Solve for x
x = 23,489,172,966,120.54/5,980,981.40 - Step 6: Final answer
x = 3,927,310.82
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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.