Finding the Fourth Proportional to 4,688,711.68, 6,470,693.28 and 2,623,709.22
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Solution
The fourth proportional to 4,688,711.68, 6,470,693.28 and 2,623,709.22 is: 3,620,870.46
Step by Step Solution
- Step 1: Write the proportion equation
4,688,711.68 : 6,470,693.28 = 2,623,709.22 : x - Step 2: Convert to fraction form
4,688,711.68/6,470,693.28 = 2,623,709.22/x - Step 3: Cross multiply
4,688,711.68x = 6,470,693.28 × 2,623,709.22 - Step 4: Simplify right side
4,688,711.68x = 16,977,217,618,528.04 - Step 5: Solve for x
x = 16,977,217,618,528.04/4,688,711.68 - Step 6: Final answer
x = 3,620,870.46
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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.