Finding the Fourth Proportional to 1,406,326.44, 1,939,454.88 and 922,707.84
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Solution
The fourth proportional to 1,406,326.44, 1,939,454.88 and 922,707.84 is: 1,272,499.88
Step by Step Solution
- Step 1: Write the proportion equation
1,406,326.44 : 1,939,454.88 = 922,707.84 : x - Step 2: Convert to fraction form
1,406,326.44/1,939,454.88 = 922,707.84/x - Step 3: Cross multiply
1,406,326.44x = 1,939,454.88 × 922,707.84 - Step 4: Simplify right side
1,406,326.44x = 1,789,550,223,102.26 - Step 5: Solve for x
x = 1,789,550,223,102.26/1,406,326.44 - Step 6: Final answer
x = 1,272,499.88
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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.