Finding the Fourth Proportional to 1,820,244.99, 2,512,437.65 and 1,056,544.59
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Solution
The fourth proportional to 1,820,244.99, 2,512,437.65 and 1,056,544.59 is: 1,458,321.50
Step by Step Solution
- Step 1: Write the proportion equation
1,820,244.99 : 2,512,437.65 = 1,056,544.59 : x - Step 2: Convert to fraction form
1,820,244.99/2,512,437.65 = 1,056,544.59/x - Step 3: Cross multiply
1,820,244.99x = 2,512,437.65 × 1,056,544.59 - Step 4: Simplify right side
1,820,244.99x = 2,654,502,406,819.81 - Step 5: Solve for x
x = 2,654,502,406,819.81/1,820,244.99 - Step 6: Final answer
x = 1,458,321.50
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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.