Finding the Fourth Proportional to 1,617,987.35, 2,232,808.49 and 882,956.17
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Solution
The fourth proportional to 1,617,987.35, 2,232,808.49 and 882,956.17 is: 1,218,471.84
Step by Step Solution
- Step 1: Write the proportion equation
1,617,987.35 : 2,232,808.49 = 882,956.17 : x - Step 2: Convert to fraction form
1,617,987.35/2,232,808.49 = 882,956.17/x - Step 3: Cross multiply
1,617,987.35x = 2,232,808.49 × 882,956.17 - Step 4: Simplify right side
1,617,987.35x = 1,971,472,032,013.32 - Step 5: Solve for x
x = 1,971,472,032,013.32/1,617,987.35 - Step 6: Final answer
x = 1,218,471.84
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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.