Finding the Fourth Proportional to 1,549,277.23, 2,138,054.43 and 860,978.09
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Solution
The fourth proportional to 1,549,277.23, 2,138,054.43 and 860,978.09 is: 1,188,178.59
Step by Step Solution
- Step 1: Write the proportion equation
1,549,277.23 : 2,138,054.43 = 860,978.09 : x - Step 2: Convert to fraction form
1,549,277.23/2,138,054.43 = 860,978.09/x - Step 3: Cross multiply
1,549,277.23x = 2,138,054.43 × 860,978.09 - Step 4: Simplify right side
1,549,277.23x = 1,840,818,022,650.13 - Step 5: Solve for x
x = 1,840,818,022,650.13/1,549,277.23 - Step 6: Final answer
x = 1,188,178.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.