Finding the Fourth Proportional to 1,577,032.84, 2,365,515.32 and 439,764.74
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Solution
The fourth proportional to 1,577,032.84, 2,365,515.32 and 439,764.74 is: 659,637.65
Step by Step Solution
- Step 1: Write the proportion equation
1,577,032.84 : 2,365,515.32 = 439,764.74 : x - Step 2: Convert to fraction form
1,577,032.84/2,365,515.32 = 439,764.74/x - Step 3: Cross multiply
1,577,032.84x = 2,365,515.32 × 439,764.74 - Step 4: Simplify right side
1,577,032.84x = 1,040,270,229,665.82 - Step 5: Solve for x
x = 1,040,270,229,665.82/1,577,032.84 - Step 6: Final answer
x = 659,637.65
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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.