Finding the Fourth Proportional to 1,783,104.12, 2,460,683.65 and 1,019,174.08
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Solution
The fourth proportional to 1,783,104.12, 2,460,683.65 and 1,019,174.08 is: 1,406,460.21
Step by Step Solution
- Step 1: Write the proportion equation
1,783,104.12 : 2,460,683.65 = 1,019,174.08 : x - Step 2: Convert to fraction form
1,783,104.12/2,460,683.65 = 1,019,174.08/x - Step 3: Cross multiply
1,783,104.12x = 2,460,683.65 × 1,019,174.08 - Step 4: Simplify right side
1,783,104.12x = 2,507,864,995,159.79 - Step 5: Solve for x
x = 2,507,864,995,159.79/1,783,104.12 - Step 6: Final answer
x = 1,406,460.21
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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.