Finding the Fourth Proportional to 4,678,315.74, 7,017,728.70 and 1,483,210.80
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Solution
The fourth proportional to 4,678,315.74, 7,017,728.70 and 1,483,210.80 is: 2,224,897.07
Step by Step Solution
- Step 1: Write the proportion equation
4,678,315.74 : 7,017,728.70 = 1,483,210.80 : x - Step 2: Convert to fraction form
4,678,315.74/7,017,728.70 = 1,483,210.80/x - Step 3: Cross multiply
4,678,315.74x = 7,017,728.70 × 1,483,210.80 - Step 4: Simplify right side
4,678,315.74x = 10,408,770,999,309.96 - Step 5: Solve for x
x = 10,408,770,999,309.96/4,678,315.74 - Step 6: Final answer
x = 2,224,897.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.