Finding the Fourth Proportional to 1,580,410.19, 2,180,972.71 and 855,257.94
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Solution
The fourth proportional to 1,580,410.19, 2,180,972.71 and 855,257.94 is: 1,180,259.56
Step by Step Solution
- Step 1: Write the proportion equation
1,580,410.19 : 2,180,972.71 = 855,257.94 : x - Step 2: Convert to fraction form
1,580,410.19/2,180,972.71 = 855,257.94/x - Step 3: Cross multiply
1,580,410.19x = 2,180,972.71 × 855,257.94 - Step 4: Simplify right side
1,580,410.19x = 1,865,294,225,213.14 - Step 5: Solve for x
x = 1,865,294,225,213.14/1,580,410.19 - Step 6: Final answer
x = 1,180,259.56
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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.