Finding the Fourth Proportional to 5,038,284.79, 6,948,554.61 and 4,257,177.67
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Solution
The fourth proportional to 5,038,284.79, 6,948,554.61 and 4,257,177.67 is: 5,871,290.08
Step by Step Solution
- Step 1: Write the proportion equation
5,038,284.79 : 6,948,554.61 = 4,257,177.67 : x - Step 2: Convert to fraction form
5,038,284.79/6,948,554.61 = 4,257,177.67/x - Step 3: Cross multiply
5,038,284.79x = 6,948,554.61 × 4,257,177.67 - Step 4: Simplify right side
5,038,284.79x = 29,581,231,524,467.56 - Step 5: Solve for x
x = 29,581,231,524,467.56/5,038,284.79 - Step 6: Final answer
x = 5,871,290.08
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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.