Finding the Fourth Proportional to 1,313,349.84, 1,970,083.68 and 402,465.36
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Solution
The fourth proportional to 1,313,349.84, 1,970,083.68 and 402,465.36 is: 603,716.10
Step by Step Solution
- Step 1: Write the proportion equation
1,313,349.84 : 1,970,083.68 = 402,465.36 : x - Step 2: Convert to fraction form
1,313,349.84/1,970,083.68 = 402,465.36/x - Step 3: Cross multiply
1,313,349.84x = 1,970,083.68 × 402,465.36 - Step 4: Simplify right side
1,313,349.84x = 792,890,437,501.33 - Step 5: Solve for x
x = 792,890,437,501.33/1,313,349.84 - Step 6: Final answer
x = 603,716.10
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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.