Finding the Fourth Proportional to 1,869,453.09, 2,579,847.08 and 1,010,014.03
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Solution
The fourth proportional to 1,869,453.09, 2,579,847.08 and 1,010,014.03 is: 1,393,820.34
Step by Step Solution
- Step 1: Write the proportion equation
1,869,453.09 : 2,579,847.08 = 1,010,014.03 : x - Step 2: Convert to fraction form
1,869,453.09/2,579,847.08 = 1,010,014.03/x - Step 3: Cross multiply
1,869,453.09x = 2,579,847.08 × 1,010,014.03 - Step 4: Simplify right side
1,869,453.09x = 2,605,681,746,054.53 - Step 5: Solve for x
x = 2,605,681,746,054.53/1,869,453.09 - Step 6: Final answer
x = 1,393,820.34
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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.