Finding the Fourth Proportional to 1,762,805.14, 2,416,828.20 and 1,730,918.68
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Solution
The fourth proportional to 1,762,805.14, 2,416,828.20 and 1,730,918.68 is: 2,373,111.46
Step by Step Solution
- Step 1: Write the proportion equation
1,762,805.14 : 2,416,828.20 = 1,730,918.68 : x - Step 2: Convert to fraction form
1,762,805.14/2,416,828.20 = 1,730,918.68/x - Step 3: Cross multiply
1,762,805.14x = 2,416,828.20 × 1,730,918.68 - Step 4: Simplify right side
1,762,805.14x = 4,183,333,077,730.78 - Step 5: Solve for x
x = 4,183,333,077,730.78/1,762,805.14 - Step 6: Final answer
x = 2,373,111.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.