Finding the Fourth Proportional to 3,720,129.48, 5,580,259.02 and 1,024,440.84
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Solution
The fourth proportional to 3,720,129.48, 5,580,259.02 and 1,024,440.84 is: 1,536,679.10
Step by Step Solution
- Step 1: Write the proportion equation
3,720,129.48 : 5,580,259.02 = 1,024,440.84 : x - Step 2: Convert to fraction form
3,720,129.48/5,580,259.02 = 1,024,440.84/x - Step 3: Cross multiply
3,720,129.48x = 5,580,259.02 × 1,024,440.84 - Step 4: Simplify right side
3,720,129.48x = 5,716,645,237,866.38 - Step 5: Solve for x
x = 5,716,645,237,866.38/3,720,129.48 - Step 6: Final answer
x = 1,536,679.10
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1.5x scale
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.