Finding the Fourth Proportional to 1,640,533.98, 2,263,934.07 and 915,337.50
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Solution
The fourth proportional to 1,640,533.98, 2,263,934.07 and 915,337.50 is: 1,263,164.18
Step by Step Solution
- Step 1: Write the proportion equation
1,640,533.98 : 2,263,934.07 = 915,337.50 : x - Step 2: Convert to fraction form
1,640,533.98/2,263,934.07 = 915,337.50/x - Step 3: Cross multiply
1,640,533.98x = 2,263,934.07 × 915,337.50 - Step 4: Simplify right side
1,640,533.98x = 2,072,263,751,798.62 - Step 5: Solve for x
x = 2,072,263,751,798.62/1,640,533.98 - Step 6: Final answer
x = 1,263,164.18
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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.