Finding the Fourth Proportional to 1,660,823.24, 2,490,349.10 and 860,118.80
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Solution
The fourth proportional to 1,660,823.24, 2,490,349.10 and 860,118.80 is: 1,289,719.47
Step by Step Solution
- Step 1: Write the proportion equation
1,660,823.24 : 2,490,349.10 = 860,118.80 : x - Step 2: Convert to fraction form
1,660,823.24/2,490,349.10 = 860,118.80/x - Step 3: Cross multiply
1,660,823.24x = 2,490,349.10 × 860,118.80 - Step 4: Simplify right side
1,660,823.24x = 2,141,996,062,720.74 - Step 5: Solve for x
x = 2,141,996,062,720.74/1,660,823.24 - Step 6: Final answer
x = 1,289,719.47
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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.