Finding the Fourth Proportional to 1,548,420.63, 2,136,820.46 and 869,371.71
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Solution
The fourth proportional to 1,548,420.63, 2,136,820.46 and 869,371.71 is: 1,199,732.95
Step by Step Solution
- Step 1: Write the proportion equation
1,548,420.63 : 2,136,820.46 = 869,371.71 : x - Step 2: Convert to fraction form
1,548,420.63/2,136,820.46 = 869,371.71/x - Step 3: Cross multiply
1,548,420.63x = 2,136,820.46 × 869,371.71 - Step 4: Simplify right side
1,548,420.63x = 1,857,691,248,762.51 - Step 5: Solve for x
x = 1,857,691,248,762.51/1,548,420.63 - Step 6: Final answer
x = 1,199,732.95
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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.