Finding the Fourth Proportional to 5,356,803.84, 8,035,220.16 and 1,313,309.76
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Solution
The fourth proportional to 5,356,803.84, 8,035,220.16 and 1,313,309.76 is: 1,969,968.17
Step by Step Solution
- Step 1: Write the proportion equation
5,356,803.84 : 8,035,220.16 = 1,313,309.76 : x - Step 2: Convert to fraction form
5,356,803.84/8,035,220.16 = 1,313,309.76/x - Step 3: Cross multiply
5,356,803.84x = 8,035,220.16 × 1,313,309.76 - Step 4: Simplify right side
5,356,803.84x = 10,552,733,059,876.76 - Step 5: Solve for x
x = 10,552,733,059,876.76/5,356,803.84 - Step 6: Final answer
x = 1,969,968.17
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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.