Finding the Fourth Proportional to 1,428,914.13, 2,151,924.95 and 1,301,368.29
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Solution
The fourth proportional to 1,428,914.13, 2,151,924.95 and 1,301,368.29 is: 1,959,842.68
Step by Step Solution
- Step 1: Write the proportion equation
1,428,914.13 : 2,151,924.95 = 1,301,368.29 : x - Step 2: Convert to fraction form
1,428,914.13/2,151,924.95 = 1,301,368.29/x - Step 3: Cross multiply
1,428,914.13x = 2,151,924.95 × 1,301,368.29 - Step 4: Simplify right side
1,428,914.13x = 2,800,446,897,769.65 - Step 5: Solve for x
x = 2,800,446,897,769.65/1,428,914.13 - Step 6: Final answer
x = 1,959,842.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.