Finding the Fourth Proportional to 1,539,618.76, 2,124,636.24 and 851,273.13
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Solution
The fourth proportional to 1,539,618.76, 2,124,636.24 and 851,273.13 is: 1,174,736.10
Step by Step Solution
- Step 1: Write the proportion equation
1,539,618.76 : 2,124,636.24 = 851,273.13 : x - Step 2: Convert to fraction form
1,539,618.76/2,124,636.24 = 851,273.13/x - Step 3: Cross multiply
1,539,618.76x = 2,124,636.24 × 851,273.13 - Step 4: Simplify right side
1,539,618.76x = 1,808,645,742,136.23 - Step 5: Solve for x
x = 1,808,645,742,136.23/1,539,618.76 - Step 6: Final answer
x = 1,174,736.10
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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.