Finding the Fourth Proportional to 1,406,389.18, 1,939,541.19 and 922,770.58
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Solution
The fourth proportional to 1,406,389.18, 1,939,541.19 and 922,770.58 is: 1,272,586.26
Step by Step Solution
- Step 1: Write the proportion equation
1,406,389.18 : 1,939,541.19 = 922,770.58 : x - Step 2: Convert to fraction form
1,406,389.18/1,939,541.19 = 922,770.58/x - Step 3: Cross multiply
1,406,389.18x = 1,939,541.19 × 922,770.58 - Step 4: Simplify right side
1,406,389.18x = 1,789,751,548,830.19 - Step 5: Solve for x
x = 1,789,751,548,830.19/1,406,389.18 - Step 6: Final answer
x = 1,272,586.26
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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.