Finding the Fourth Proportional to 4,688,708.67, 6,470,689.14 and 2,623,706.21
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Solution
The fourth proportional to 4,688,708.67, 6,470,689.14 and 2,623,706.21 is: 3,620,866.32
Step by Step Solution
- Step 1: Write the proportion equation
4,688,708.67 : 6,470,689.14 = 2,623,706.21 : x - Step 2: Convert to fraction form
4,688,708.67/6,470,689.14 = 2,623,706.21/x - Step 3: Cross multiply
4,688,708.67x = 6,470,689.14 × 2,623,706.21 - Step 4: Simplify right side
4,688,708.67x = 16,977,187,295,774.28 - Step 5: Solve for x
x = 16,977,187,295,774.28/4,688,708.67 - Step 6: Final answer
x = 3,620,866.32
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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.