Finding the Fourth Proportional to 6,615,840.71, 9,925,753.99 and 2,066,705.75
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Solution
The fourth proportional to 6,615,840.71, 9,925,753.99 and 2,066,705.75 is: 3,100,681.19
Step by Step Solution
- Step 1: Write the proportion equation
6,615,840.71 : 9,925,753.99 = 2,066,705.75 : x - Step 2: Convert to fraction form
6,615,840.71/9,925,753.99 = 2,066,705.75/x - Step 3: Cross multiply
6,615,840.71x = 9,925,753.99 × 2,066,705.75 - Step 4: Simplify right side
6,615,840.71x = 20,513,612,811,908.77 - Step 5: Solve for x
x = 20,513,612,811,908.77/6,615,840.71 - Step 6: Final answer
x = 3,100,681.19
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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.