Finding the Fourth Proportional to 7,664,602.36, 10,576,795.44 and 4,399,118.86
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Solution
The fourth proportional to 7,664,602.36, 10,576,795.44 and 4,399,118.86 is: 6,070,579.80
Step by Step Solution
- Step 1: Write the proportion equation
7,664,602.36 : 10,576,795.44 = 4,399,118.86 : x - Step 2: Convert to fraction form
7,664,602.36/10,576,795.44 = 4,399,118.86/x - Step 3: Cross multiply
7,664,602.36x = 10,576,795.44 × 4,399,118.86 - Step 4: Simplify right side
7,664,602.36x = 46,528,580,298,466 - Step 5: Solve for x
x = 46,528,580,298,466/7,664,602.36 - Step 6: Final answer
x = 6,070,579.80
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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.