Finding the Fourth Proportional to 7,128,834.66, 10,688,981.46 and 2,269,041.84
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Solution
The fourth proportional to 7,128,834.66, 10,688,981.46 and 2,269,041.84 is: 3,402,203.49
Step by Step Solution
- Step 1: Write the proportion equation
7,128,834.66 : 10,688,981.46 = 2,269,041.84 : x - Step 2: Convert to fraction form
7,128,834.66/10,688,981.46 = 2,269,041.84/x - Step 3: Cross multiply
7,128,834.66x = 10,688,981.46 × 2,269,041.84 - Step 4: Simplify right side
7,128,834.66x = 24,253,746,159,724.29 - Step 5: Solve for x
x = 24,253,746,159,724.29/7,128,834.66 - Step 6: Final answer
x = 3,402,203.49
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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.