Finding the Fourth Proportional to 1,498,228.88, 2,066,177.01 and 981,795.21
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Solution
The fourth proportional to 1,498,228.88, 2,066,177.01 and 981,795.21 is: 1,353,973.82
Step by Step Solution
- Step 1: Write the proportion equation
1,498,228.88 : 2,066,177.01 = 981,795.21 : x - Step 2: Convert to fraction form
1,498,228.88/2,066,177.01 = 981,795.21/x - Step 3: Cross multiply
1,498,228.88x = 2,066,177.01 × 981,795.21 - Step 4: Simplify right side
1,498,228.88x = 2,028,562,683,681.96 - Step 5: Solve for x
x = 2,028,562,683,681.96/1,498,228.88 - Step 6: Final answer
x = 1,353,973.82
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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.