Finding the Fourth Proportional to 1,519,453.84, 2,096,901.12 and 840,395.20
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Solution
The fourth proportional to 1,519,453.84, 2,096,901.12 and 840,395.20 is: 1,159,775.70
Step by Step Solution
- Step 1: Write the proportion equation
1,519,453.84 : 2,096,901.12 = 840,395.20 : x - Step 2: Convert to fraction form
1,519,453.84/2,096,901.12 = 840,395.20/x - Step 3: Cross multiply
1,519,453.84x = 2,096,901.12 × 840,395.20 - Step 4: Simplify right side
1,519,453.84x = 1,762,225,636,122.62 - Step 5: Solve for x
x = 1,762,225,636,122.62/1,519,453.84 - Step 6: Final answer
x = 1,159,775.70
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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.