Finding the Fourth Proportional to 1,779,077.96, 2,455,128.73 and 963,282.21
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Solution
The fourth proportional to 1,779,077.96, 2,455,128.73 and 963,282.21 is: 1,329,330.07
Step by Step Solution
- Step 1: Write the proportion equation
1,779,077.96 : 2,455,128.73 = 963,282.21 : x - Step 2: Convert to fraction form
1,779,077.96/2,455,128.73 = 963,282.21/x - Step 3: Cross multiply
1,779,077.96x = 2,455,128.73 × 963,282.21 - Step 4: Simplify right side
1,779,077.96x = 2,364,981,820,866.26 - Step 5: Solve for x
x = 2,364,981,820,866.26/1,779,077.96 - Step 6: Final answer
x = 1,329,330.07
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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.