Finding the Fourth Proportional to 1,719,636.70, 2,579,455.05 and 869,331.10
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Solution
The fourth proportional to 1,719,636.70, 2,579,455.05 and 869,331.10 is: 1,303,996.65
Step by Step Solution
- Step 1: Write the proportion equation
1,719,636.70 : 2,579,455.05 = 869,331.10 : x - Step 2: Convert to fraction form
1,719,636.70/2,579,455.05 = 869,331.10/x - Step 3: Cross multiply
1,719,636.70x = 2,579,455.05 × 869,331.10 - Step 4: Simplify right side
1,719,636.70x = 2,242,400,496,017.05 - Step 5: Solve for x
x = 2,242,400,496,017.05/1,719,636.70 - Step 6: Final answer
x = 1,303,996.65
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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.