Finding the Fourth Proportional to 1,477,423.45, 2,216,201.56 and 452,678.66
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Solution
The fourth proportional to 1,477,423.45, 2,216,201.56 and 452,678.66 is: 679,038.33
Step by Step Solution
- Step 1: Write the proportion equation
1,477,423.45 : 2,216,201.56 = 452,678.66 : x - Step 2: Convert to fraction form
1,477,423.45/2,216,201.56 = 452,678.66/x - Step 3: Cross multiply
1,477,423.45x = 2,216,201.56 × 452,678.66 - Step 4: Simplify right side
1,477,423.45x = 1,003,227,151,115.08 - Step 5: Solve for x
x = 1,003,227,151,115.08/1,477,423.45 - Step 6: Final answer
x = 679,038.33
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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.