Finding the Fourth Proportional to 1,416,295.91, 2,125,071.79 and 742,216.95
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Solution
The fourth proportional to 1,416,295.91, 2,125,071.79 and 742,216.95 is: 1,113,654.49
Step by Step Solution
- Step 1: Write the proportion equation
1,416,295.91 : 2,125,071.79 = 742,216.95 : x - Step 2: Convert to fraction form
1,416,295.91/2,125,071.79 = 742,216.95/x - Step 3: Cross multiply
1,416,295.91x = 2,125,071.79 × 742,216.95 - Step 4: Simplify right side
1,416,295.91x = 1,577,264,300,649.30 - Step 5: Solve for x
x = 1,577,264,300,649.30/1,416,295.91 - Step 6: Final answer
x = 1,113,654.49
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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.