Finding the Fourth Proportional to 1,584,387.14, 2,186,395.22 and 939,421.40
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Solution
The fourth proportional to 1,584,387.14, 2,186,395.22 and 939,421.40 is: 1,296,366.53
Step by Step Solution
- Step 1: Write the proportion equation
1,584,387.14 : 2,186,395.22 = 939,421.40 : x - Step 2: Convert to fraction form
1,584,387.14/2,186,395.22 = 939,421.40/x - Step 3: Cross multiply
1,584,387.14x = 2,186,395.22 × 939,421.40 - Step 4: Simplify right side
1,584,387.14x = 2,053,946,466,340.25 - Step 5: Solve for x
x = 2,053,946,466,340.25/1,584,387.14 - Step 6: Final answer
x = 1,296,366.53
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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.