Finding the Fourth Proportional to 2,182,471.79, 3,011,502.51 and 1,239,455.21
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Solution
The fourth proportional to 2,182,471.79, 3,011,502.51 and 1,239,455.21 is: 1,710,272.95
Step by Step Solution
- Step 1: Write the proportion equation
2,182,471.79 : 3,011,502.51 = 1,239,455.21 : x - Step 2: Convert to fraction form
2,182,471.79/3,011,502.51 = 1,239,455.21/x - Step 3: Cross multiply
2,182,471.79x = 3,011,502.51 × 1,239,455.21 - Step 4: Simplify right side
2,182,471.79x = 3,732,622,460,890.06 - Step 5: Solve for x
x = 3,732,622,460,890.06/2,182,471.79 - Step 6: Final answer
x = 1,710,272.95
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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.