Finding the Fourth Proportional to 5,731,719.77, 7,909,772.99 and 3,153,345.19
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Solution
The fourth proportional to 5,731,719.77, 7,909,772.99 and 3,153,345.19 is: 4,351,616.19
Step by Step Solution
- Step 1: Write the proportion equation
5,731,719.77 : 7,909,772.99 = 3,153,345.19 : x - Step 2: Convert to fraction form
5,731,719.77/7,909,772.99 = 3,153,345.19/x - Step 3: Cross multiply
5,731,719.77x = 7,909,772.99 × 3,153,345.19 - Step 4: Simplify right side
5,731,719.77x = 24,942,244,576,467.26 - Step 5: Solve for x
x = 24,942,244,576,467.26/5,731,719.77 - Step 6: Final answer
x = 4,351,616.19
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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.