Finding the Fourth Proportional to 2,312,969.47, 3,192,231.74 and 1,332,720.76
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Solution
The fourth proportional to 2,312,969.47, 3,192,231.74 and 1,332,720.76 is: 1,839,347.02
Step by Step Solution
- Step 1: Write the proportion equation
2,312,969.47 : 3,192,231.74 = 1,332,720.76 : x - Step 2: Convert to fraction form
2,312,969.47/3,192,231.74 = 1,332,720.76/x - Step 3: Cross multiply
2,312,969.47x = 3,192,231.74 × 1,332,720.76 - Step 4: Simplify right side
2,312,969.47x = 4,254,353,505,980.15 - Step 5: Solve for x
x = 4,254,353,505,980.15/2,312,969.47 - Step 6: Final answer
x = 1,839,347.02
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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.