Finding the Fourth Proportional to 2,387,135.34, 3,294,288.81 and 1,299,438.18
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Solution
The fourth proportional to 2,387,135.34, 3,294,288.81 and 1,299,438.18 is: 1,793,247.57
Step by Step Solution
- Step 1: Write the proportion equation
2,387,135.34 : 3,294,288.81 = 1,299,438.18 : x - Step 2: Convert to fraction form
2,387,135.34/3,294,288.81 = 1,299,438.18/x - Step 3: Cross multiply
2,387,135.34x = 3,294,288.81 × 1,299,438.18 - Step 4: Simplify right side
2,387,135.34x = 4,280,724,655,660.77 - Step 5: Solve for x
x = 4,280,724,655,660.77/2,387,135.34 - Step 6: Final answer
x = 1,793,247.57
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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.