Finding the Fourth Proportional to 1,589,473.05, 2,199,248.80 and 1,385,948.09
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Solution
The fourth proportional to 1,589,473.05, 2,199,248.80 and 1,385,948.09 is: 1,917,644.77
Step by Step Solution
- Step 1: Write the proportion equation
1,589,473.05 : 2,199,248.80 = 1,385,948.09 : x - Step 2: Convert to fraction form
1,589,473.05/2,199,248.80 = 1,385,948.09/x - Step 3: Cross multiply
1,589,473.05x = 2,199,248.80 × 1,385,948.09 - Step 4: Simplify right side
1,589,473.05x = 3,048,044,675,828.04 - Step 5: Solve for x
x = 3,048,044,675,828.04/1,589,473.05 - Step 6: Final answer
x = 1,917,644.77
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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.