Finding the Fourth Proportional to 1,859,129.80, 2,567,937.66 and 1,533,622.39
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Solution
The fourth proportional to 1,859,129.80, 2,567,937.66 and 1,533,622.39 is: 2,118,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,859,129.80 : 2,567,937.66 = 1,533,622.39 : x - Step 2: Convert to fraction form
1,859,129.80/2,567,937.66 = 1,533,622.39/x - Step 3: Cross multiply
1,859,129.80x = 2,567,937.66 × 1,533,622.39 - Step 4: Simplify right side
1,859,129.80x = 3,938,246,691,500.21 - Step 5: Solve for x
x = 3,938,246,691,500.21/1,859,129.80 - Step 6: Final answer
x = 2,118,327.99
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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.