Finding the Fourth Proportional to 1,804,389.12, 2,490,056.92 and 988,623.75
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Solution
The fourth proportional to 1,804,389.12, 2,490,056.92 and 988,623.75 is: 1,364,300.74
Step by Step Solution
- Step 1: Write the proportion equation
1,804,389.12 : 2,490,056.92 = 988,623.75 : x - Step 2: Convert to fraction form
1,804,389.12/2,490,056.92 = 988,623.75/x - Step 3: Cross multiply
1,804,389.12x = 2,490,056.92 × 988,623.75 - Step 4: Simplify right side
1,804,389.12x = 2,461,729,409,963.85 - Step 5: Solve for x
x = 2,461,729,409,963.85/1,804,389.12 - Step 6: Final answer
x = 1,364,300.74
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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.