Finding the Fourth Proportional to 3,386,017.28, 4,672,762.08 and 1,858,266.56
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Solution
The fourth proportional to 3,386,017.28, 4,672,762.08 and 1,858,266.56 is: 2,564,439.81
Step by Step Solution
- Step 1: Write the proportion equation
3,386,017.28 : 4,672,762.08 = 1,858,266.56 : x - Step 2: Convert to fraction form
3,386,017.28/4,672,762.08 = 1,858,266.56/x - Step 3: Cross multiply
3,386,017.28x = 4,672,762.08 × 1,858,266.56 - Step 4: Simplify right side
3,386,017.28x = 8,683,237,516,100.05 - Step 5: Solve for x
x = 8,683,237,516,100.05/3,386,017.28 - Step 6: Final answer
x = 2,564,439.81
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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.