Finding the Fourth Proportional to 1,311,004.42, 1,966,506.63 and 470,146.66
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Solution
The fourth proportional to 1,311,004.42, 1,966,506.63 and 470,146.66 is: 705,219.99
Step by Step Solution
- Step 1: Write the proportion equation
1,311,004.42 : 1,966,506.63 = 470,146.66 : x - Step 2: Convert to fraction form
1,311,004.42/1,966,506.63 = 470,146.66/x - Step 3: Cross multiply
1,311,004.42x = 1,966,506.63 × 470,146.66 - Step 4: Simplify right side
1,311,004.42x = 924,546,523,962.36 - Step 5: Solve for x
x = 924,546,523,962.36/1,311,004.42 - Step 6: Final answer
x = 705,219.99
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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.