Finding the Fourth Proportional to 2,190,303.36, 3,277,461.96 and 1,292,175.36
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Solution
The fourth proportional to 2,190,303.36, 3,277,461.96 and 1,292,175.36 is: 1,933,547.50
Step by Step Solution
- Step 1: Write the proportion equation
2,190,303.36 : 3,277,461.96 = 1,292,175.36 : x - Step 2: Convert to fraction form
2,190,303.36/3,277,461.96 = 1,292,175.36/x - Step 3: Cross multiply
2,190,303.36x = 3,277,461.96 × 1,292,175.36 - Step 4: Simplify right side
2,190,303.36x = 4,235,055,588,049.31 - Step 5: Solve for x
x = 4,235,055,588,049.31/2,190,303.36 - Step 6: Final answer
x = 1,933,547.50
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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.