Finding the Fourth Proportional to 1,505,645.90, 2,077,796.97 and 817,319.10
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Solution
The fourth proportional to 1,505,645.90, 2,077,796.97 and 817,319.10 is: 1,127,903.42
Step by Step Solution
- Step 1: Write the proportion equation
1,505,645.90 : 2,077,796.97 = 817,319.10 : x - Step 2: Convert to fraction form
1,505,645.90/2,077,796.97 = 817,319.10/x - Step 3: Cross multiply
1,505,645.90x = 2,077,796.97 × 817,319.10 - Step 4: Simplify right side
1,505,645.90x = 1,698,223,149,503.13 - Step 5: Solve for x
x = 1,698,223,149,503.13/1,505,645.90 - Step 6: Final answer
x = 1,127,903.42
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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.