Finding the Fourth Proportional to 1,758,675.39, 2,637,538.47 and 621,287.84
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Solution
The fourth proportional to 1,758,675.39, 2,637,538.47 and 621,287.84 is: 931,764.09
Step by Step Solution
- Step 1: Write the proportion equation
1,758,675.39 : 2,637,538.47 = 621,287.84 : x - Step 2: Convert to fraction form
1,758,675.39/2,637,538.47 = 621,287.84/x - Step 3: Cross multiply
1,758,675.39x = 2,637,538.47 × 621,287.84 - Step 4: Simplify right side
1,758,675.39x = 1,638,670,578,943.20 - Step 5: Solve for x
x = 1,638,670,578,943.20/1,758,675.39 - Step 6: Final answer
x = 931,764.09
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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.