Finding the Fourth Proportional to 2,155,129.60, 3,232,387.20 and 735,251.20
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Solution
The fourth proportional to 2,155,129.60, 3,232,387.20 and 735,251.20 is: 1,102,771.99
Step by Step Solution
- Step 1: Write the proportion equation
2,155,129.60 : 3,232,387.20 = 735,251.20 : x - Step 2: Convert to fraction form
2,155,129.60/3,232,387.20 = 735,251.20/x - Step 3: Cross multiply
2,155,129.60x = 3,232,387.20 × 735,251.20 - Step 4: Simplify right side
2,155,129.60x = 2,376,616,567,664.64 - Step 5: Solve for x
x = 2,376,616,567,664.64/2,155,129.60 - Step 6: Final answer
x = 1,102,771.99
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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.