Finding the Fourth Proportional to 6,696,259.20, 10,046,721.60 and 2,912,457.60
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Solution
The fourth proportional to 6,696,259.20, 10,046,721.60 and 2,912,457.60 is: 4,369,701.02
Step by Step Solution
- Step 1: Write the proportion equation
6,696,259.20 : 10,046,721.60 = 2,912,457.60 : x - Step 2: Convert to fraction form
6,696,259.20/10,046,721.60 = 2,912,457.60/x - Step 3: Cross multiply
6,696,259.20x = 10,046,721.60 × 2,912,457.60 - Step 4: Simplify right side
6,696,259.20x = 29,260,650,679,004.16 - Step 5: Solve for x
x = 29,260,650,679,004.16/6,696,259.20 - Step 6: Final answer
x = 4,369,701.02
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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.