Finding the Fourth Proportional to 1,778,330.81, 2,667,614.97 and 625,439.03
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Solution
The fourth proportional to 1,778,330.81, 2,667,614.97 and 625,439.03 is: 938,200.31
Step by Step Solution
- Step 1: Write the proportion equation
1,778,330.81 : 2,667,614.97 = 625,439.03 : x - Step 2: Convert to fraction form
1,778,330.81/2,667,614.97 = 625,439.03/x - Step 3: Cross multiply
1,778,330.81x = 2,667,614.97 × 625,439.03 - Step 4: Simplify right side
1,778,330.81x = 1,668,430,508,257.60 - Step 5: Solve for x
x = 1,668,430,508,257.60/1,778,330.81 - Step 6: Final answer
x = 938,200.31
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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.