Finding the Fourth Proportional to 1,657,752.32, 2,486,620.28 and 1,432,427.09
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Solution
The fourth proportional to 1,657,752.32, 2,486,620.28 and 1,432,427.09 is: 2,148,633.54
Step by Step Solution
- Step 1: Write the proportion equation
1,657,752.32 : 2,486,620.28 = 1,432,427.09 : x - Step 2: Convert to fraction form
1,657,752.32/2,486,620.28 = 1,432,427.09/x - Step 3: Cross multiply
1,657,752.32x = 2,486,620.28 × 1,432,427.09 - Step 4: Simplify right side
1,657,752.32x = 3,561,902,242,763.35 - Step 5: Solve for x
x = 3,561,902,242,763.35/1,657,752.32 - Step 6: Final answer
x = 2,148,633.54
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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.