Finding the Fourth Proportional to 1,750,916.76, 2,416,302.10 and 986,970.12
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Solution
The fourth proportional to 1,750,916.76, 2,416,302.10 and 986,970.12 is: 1,362,039.61
Step by Step Solution
- Step 1: Write the proportion equation
1,750,916.76 : 2,416,302.10 = 986,970.12 : x - Step 2: Convert to fraction form
1,750,916.76/2,416,302.10 = 986,970.12/x - Step 3: Cross multiply
1,750,916.76x = 2,416,302.10 × 986,970.12 - Step 4: Simplify right side
1,750,916.76x = 2,384,817,973,593.25 - Step 5: Solve for x
x = 2,384,817,973,593.25/1,750,916.76 - Step 6: Final answer
x = 1,362,039.61
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1.5x scale
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.