Finding the Fourth Proportional to 3,466,398.54, 4,783,486.28 and 1,896,522.68
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Solution
The fourth proportional to 3,466,398.54, 4,783,486.28 and 1,896,522.68 is: 2,617,122.67
Step by Step Solution
- Step 1: Write the proportion equation
3,466,398.54 : 4,783,486.28 = 1,896,522.68 : x - Step 2: Convert to fraction form
3,466,398.54/4,783,486.28 = 1,896,522.68/x - Step 3: Cross multiply
3,466,398.54x = 4,783,486.28 × 1,896,522.68 - Step 4: Simplify right side
3,466,398.54x = 9,071,990,219,488.83 - Step 5: Solve for x
x = 9,071,990,219,488.83/3,466,398.54 - Step 6: Final answer
x = 2,617,122.67
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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.