Finding the Fourth Proportional to 1,663,830.19, 2,296,085.81 and 899,883.75
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Solution
The fourth proportional to 1,663,830.19, 2,296,085.81 and 899,883.75 is: 1,241,839.66
Step by Step Solution
- Step 1: Write the proportion equation
1,663,830.19 : 2,296,085.81 = 899,883.75 : x - Step 2: Convert to fraction form
1,663,830.19/2,296,085.81 = 899,883.75/x - Step 3: Cross multiply
1,663,830.19x = 2,296,085.81 × 899,883.75 - Step 4: Simplify right side
1,663,830.19x = 2,066,210,314,270.52 - Step 5: Solve for x
x = 2,066,210,314,270.52/1,663,830.19 - Step 6: Final answer
x = 1,241,839.66
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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.