Finding the Fourth Proportional to 1,881,242.05, 2,596,148.23 and 1,065,615.08
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Solution
The fourth proportional to 1,881,242.05, 2,596,148.23 and 1,065,615.08 is: 1,470,568.18
Step by Step Solution
- Step 1: Write the proportion equation
1,881,242.05 : 2,596,148.23 = 1,065,615.08 : x - Step 2: Convert to fraction form
1,881,242.05/2,596,148.23 = 1,065,615.08/x - Step 3: Cross multiply
1,881,242.05x = 2,596,148.23 × 1,065,615.08 - Step 4: Simplify right side
1,881,242.05x = 2,766,494,703,803.31 - Step 5: Solve for x
x = 2,766,494,703,803.31/1,881,242.05 - Step 6: Final answer
x = 1,470,568.18
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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.