Finding the Fourth Proportional to 1,512,705.59, 2,087,533.75 and 833,642.09
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Solution
The fourth proportional to 1,512,705.59, 2,087,533.75 and 833,642.09 is: 1,150,426.10
Step by Step Solution
- Step 1: Write the proportion equation
1,512,705.59 : 2,087,533.75 = 833,642.09 : x - Step 2: Convert to fraction form
1,512,705.59/2,087,533.75 = 833,642.09/x - Step 3: Cross multiply
1,512,705.59x = 2,087,533.75 × 833,642.09 - Step 4: Simplify right side
1,512,705.59x = 1,740,255,998,295.54 - Step 5: Solve for x
x = 1,740,255,998,295.54/1,512,705.59 - Step 6: Final answer
x = 1,150,426.10
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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.