Finding the Fourth Proportional to 1,620,316.17, 2,236,052.79 and 1,130,996.79
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Solution
The fourth proportional to 1,620,316.17, 2,236,052.79 and 1,130,996.79 is: 1,560,787.07
Step by Step Solution
- Step 1: Write the proportion equation
1,620,316.17 : 2,236,052.79 = 1,130,996.79 : x - Step 2: Convert to fraction form
1,620,316.17/2,236,052.79 = 1,130,996.79/x - Step 3: Cross multiply
1,620,316.17x = 2,236,052.79 × 1,130,996.79 - Step 4: Simplify right side
1,620,316.17x = 2,528,968,527,760.54 - Step 5: Solve for x
x = 2,528,968,527,760.54/1,620,316.17 - Step 6: Final answer
x = 1,560,787.07
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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.