Finding the Fourth Proportional to 1,492,817.60, 2,239,744.80 and 651,972.80
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Solution
The fourth proportional to 1,492,817.60, 2,239,744.80 and 651,972.80 is: 978,185.61
Step by Step Solution
- Step 1: Write the proportion equation
1,492,817.60 : 2,239,744.80 = 651,972.80 : x - Step 2: Convert to fraction form
1,492,817.60/2,239,744.80 = 651,972.80/x - Step 3: Cross multiply
1,492,817.60x = 2,239,744.80 × 651,972.80 - Step 4: Simplify right side
1,492,817.60x = 1,460,252,688,541.44 - Step 5: Solve for x
x = 1,460,252,688,541.44/1,492,817.60 - Step 6: Final answer
x = 978,185.61
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1.5x scale
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.