Finding the Fourth Proportional to 1,436,781.40, 2,153,357.70 and 727,005.40
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Solution
The fourth proportional to 1,436,781.40, 2,153,357.70 and 727,005.40 is: 1,089,590.02
Step by Step Solution
- Step 1: Write the proportion equation
1,436,781.40 : 2,153,357.70 = 727,005.40 : x - Step 2: Convert to fraction form
1,436,781.40/2,153,357.70 = 727,005.40/x - Step 3: Cross multiply
1,436,781.40x = 2,153,357.70 × 727,005.40 - Step 4: Simplify right side
1,436,781.40x = 1,565,502,676,031.58 - Step 5: Solve for x
x = 1,565,502,676,031.58/1,436,781.40 - Step 6: Final answer
x = 1,089,590.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.