Finding the Fourth Proportional to 1,975,869.63, 2,726,702.91 and 1,070,451.63
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Solution
The fourth proportional to 1,975,869.63, 2,726,702.91 and 1,070,451.63 is: 1,477,224.78
Step by Step Solution
- Step 1: Write the proportion equation
1,975,869.63 : 2,726,702.91 = 1,070,451.63 : x - Step 2: Convert to fraction form
1,975,869.63/2,726,702.91 = 1,070,451.63/x - Step 3: Cross multiply
1,975,869.63x = 2,726,702.91 × 1,070,451.63 - Step 4: Simplify right side
1,975,869.63x = 2,918,803,574,535.24 - Step 5: Solve for x
x = 2,918,803,574,535.24/1,975,869.63 - Step 6: Final answer
x = 1,477,224.78
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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.