Finding the Fourth Proportional to 3,466,397.54, 4,783,484.90 and 1,896,521.68
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Solution
The fourth proportional to 3,466,397.54, 4,783,484.90 and 1,896,521.68 is: 2,617,121.29
Step by Step Solution
- Step 1: Write the proportion equation
3,466,397.54 : 4,783,484.90 = 1,896,521.68 : x - Step 2: Convert to fraction form
3,466,397.54/4,783,484.90 = 1,896,521.68/x - Step 3: Cross multiply
3,466,397.54x = 4,783,484.90 × 1,896,521.68 - Step 4: Simplify right side
3,466,397.54x = 9,071,982,818,802.63 - Step 5: Solve for x
x = 9,071,982,818,802.63/3,466,397.54 - Step 6: Final answer
x = 2,617,121.29
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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.