Finding the Fourth Proportional to 1,424,371.40, 2,136,557.10 and 893,529.80
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Solution
The fourth proportional to 1,424,371.40, 2,136,557.10 and 893,529.80 is: 1,340,294.70
Step by Step Solution
- Step 1: Write the proportion equation
1,424,371.40 : 2,136,557.10 = 893,529.80 : x - Step 2: Convert to fraction form
1,424,371.40/2,136,557.10 = 893,529.80/x - Step 3: Cross multiply
1,424,371.40x = 2,136,557.10 × 893,529.80 - Step 4: Simplify right side
1,424,371.40x = 1,909,077,438,251.58 - Step 5: Solve for x
x = 1,909,077,438,251.58/1,424,371.40 - Step 6: Final answer
x = 1,340,294.70
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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.