Finding the Fourth Proportional to 1,864,704.09, 2,572,360.06 and 1,177,227.93
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Solution
The fourth proportional to 1,864,704.09, 2,572,360.06 and 1,177,227.93 is: 1,623,986.41
Step by Step Solution
- Step 1: Write the proportion equation
1,864,704.09 : 2,572,360.06 = 1,177,227.93 : x - Step 2: Convert to fraction form
1,864,704.09/2,572,360.06 = 1,177,227.93/x - Step 3: Cross multiply
1,864,704.09x = 2,572,360.06 × 1,177,227.93 - Step 4: Simplify right side
1,864,704.09x = 3,028,254,108,648.48 - Step 5: Solve for x
x = 3,028,254,108,648.48/1,864,704.09 - Step 6: Final answer
x = 1,623,986.41
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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.