Finding the Fourth Proportional to 5,258,518.41, 7,890,554.76 and 3,731,381.81
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Solution
The fourth proportional to 5,258,518.41, 7,890,554.76 and 3,731,381.81 is: 5,599,043.34
Step by Step Solution
- Step 1: Write the proportion equation
5,258,518.41 : 7,890,554.76 = 3,731,381.81 : x - Step 2: Convert to fraction form
5,258,518.41/7,890,554.76 = 3,731,381.81/x - Step 3: Cross multiply
5,258,518.41x = 7,890,554.76 × 3,731,381.81 - Step 4: Simplify right side
5,258,518.41x = 29,442,672,478,417.04 - Step 5: Solve for x
x = 29,442,672,478,417.04/5,258,518.41 - Step 6: Final answer
x = 5,599,043.34
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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.