Finding the Fourth Proportional to 1,803,892.36, 2,489,365.98 and 1,039,939.24
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Solution
The fourth proportional to 1,803,892.36, 2,489,365.98 and 1,039,939.24 is: 1,435,112.99
Step by Step Solution
- Step 1: Write the proportion equation
1,803,892.36 : 2,489,365.98 = 1,039,939.24 : x - Step 2: Convert to fraction form
1,803,892.36/2,489,365.98 = 1,039,939.24/x - Step 3: Cross multiply
1,803,892.36x = 2,489,365.98 × 1,039,939.24 - Step 4: Simplify right side
1,803,892.36x = 2,588,789,365,323.06 - Step 5: Solve for x
x = 2,588,789,365,323.06/1,803,892.36 - Step 6: Final answer
x = 1,435,112.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.