Finding the Fourth Proportional to 5,392,323.84, 7,440,420.60 and 3,069,079.08
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Solution
The fourth proportional to 5,392,323.84, 7,440,420.60 and 3,069,079.08 is: 4,234,767.77
Step by Step Solution
- Step 1: Write the proportion equation
5,392,323.84 : 7,440,420.60 = 3,069,079.08 : x - Step 2: Convert to fraction form
5,392,323.84/7,440,420.60 = 3,069,079.08/x - Step 3: Cross multiply
5,392,323.84x = 7,440,420.60 × 3,069,079.08 - Step 4: Simplify right side
5,392,323.84x = 22,835,239,209,861.05 - Step 5: Solve for x
x = 22,835,239,209,861.05/5,392,323.84 - Step 6: Final answer
x = 4,234,767.77
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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.