Finding the Fourth Proportional to 1,489,683.08, 2,056,459.38 and 953,450.12
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Solution
The fourth proportional to 1,489,683.08, 2,056,459.38 and 953,450.12 is: 1,316,207.10
Step by Step Solution
- Step 1: Write the proportion equation
1,489,683.08 : 2,056,459.38 = 953,450.12 : x - Step 2: Convert to fraction form
1,489,683.08/2,056,459.38 = 953,450.12/x - Step 3: Cross multiply
1,489,683.08x = 2,056,459.38 × 953,450.12 - Step 4: Simplify right side
1,489,683.08x = 1,960,731,442,636.13 - Step 5: Solve for x
x = 1,960,731,442,636.13/1,489,683.08 - Step 6: Final answer
x = 1,316,207.10
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1.5x scale
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.