Finding the Fourth Proportional to 1,886,698.20, 2,603,239.02 and 1,122,602.52
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Solution
The fourth proportional to 1,886,698.20, 2,603,239.02 and 1,122,602.52 is: 1,548,950.80
Step by Step Solution
- Step 1: Write the proportion equation
1,886,698.20 : 2,603,239.02 = 1,122,602.52 : x - Step 2: Convert to fraction form
1,886,698.20/2,603,239.02 = 1,122,602.52/x - Step 3: Cross multiply
1,886,698.20x = 2,603,239.02 × 1,122,602.52 - Step 4: Simplify right side
1,886,698.20x = 2,922,402,684,014.33 - Step 5: Solve for x
x = 2,922,402,684,014.33/1,886,698.20 - Step 6: Final answer
x = 1,548,950.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.