Finding the Fourth Proportional to 5,507,506.48, 8,261,258.18 and 1,720,989.34
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Solution
The fourth proportional to 5,507,506.48, 8,261,258.18 and 1,720,989.34 is: 2,581,483.53
Step by Step Solution
- Step 1: Write the proportion equation
5,507,506.48 : 8,261,258.18 = 1,720,989.34 : x - Step 2: Convert to fraction form
5,507,506.48/8,261,258.18 = 1,720,989.34/x - Step 3: Cross multiply
5,507,506.48x = 8,261,258.18 × 1,720,989.34 - Step 4: Simplify right side
5,507,506.48x = 14,217,537,262,767.80 - Step 5: Solve for x
x = 14,217,537,262,767.80/5,507,506.48 - Step 6: Final answer
x = 2,581,483.53
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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.