Finding the Fourth Proportional to 2,968,468.75, 4,096,488.14 and 1,679,281.75
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Solution
The fourth proportional to 2,968,468.75, 4,096,488.14 and 1,679,281.75 is: 2,317,409.53
Step by Step Solution
- Step 1: Write the proportion equation
2,968,468.75 : 4,096,488.14 = 1,679,281.75 : x - Step 2: Convert to fraction form
2,968,468.75/4,096,488.14 = 1,679,281.75/x - Step 3: Cross multiply
2,968,468.75x = 4,096,488.14 × 1,679,281.75 - Step 4: Simplify right side
2,968,468.75x = 6,879,157,772,593.45 - Step 5: Solve for x
x = 6,879,157,772,593.45/2,968,468.75 - Step 6: Final answer
x = 2,317,409.53
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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.