Finding the Fourth Proportional to 1,580,274.15, 2,180,763.14 and 855,105.99
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Solution
The fourth proportional to 1,580,274.15, 2,180,763.14 and 855,105.99 is: 1,180,038.05
Step by Step Solution
- Step 1: Write the proportion equation
1,580,274.15 : 2,180,763.14 = 855,105.99 : x - Step 2: Convert to fraction form
1,580,274.15/2,180,763.14 = 855,105.99/x - Step 3: Cross multiply
1,580,274.15x = 2,180,763.14 × 855,105.99 - Step 4: Simplify right side
1,580,274.15x = 1,864,783,619,509.68 - Step 5: Solve for x
x = 1,864,783,619,509.68/1,580,274.15 - Step 6: Final answer
x = 1,180,038.05
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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.