Finding the Fourth Proportional to 2,287,309.76, 3,156,477.36 and 1,307,232.44
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Solution
The fourth proportional to 2,287,309.76, 3,156,477.36 and 1,307,232.44 is: 1,803,974.99
Step by Step Solution
- Step 1: Write the proportion equation
2,287,309.76 : 3,156,477.36 = 1,307,232.44 : x - Step 2: Convert to fraction form
2,287,309.76/3,156,477.36 = 1,307,232.44/x - Step 3: Cross multiply
2,287,309.76x = 3,156,477.36 × 1,307,232.44 - Step 4: Simplify right side
2,287,309.76x = 4,126,249,601,117.56 - Step 5: Solve for x
x = 4,126,249,601,117.56/2,287,309.76 - Step 6: Final answer
x = 1,803,974.99
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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.