Finding the Fourth Proportional to 2,378,839.52, 3,282,801.62 and 1,291,110.98
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Solution
The fourth proportional to 2,378,839.52, 3,282,801.62 and 1,291,110.98 is: 1,781,734.81
Step by Step Solution
- Step 1: Write the proportion equation
2,378,839.52 : 3,282,801.62 = 1,291,110.98 : x - Step 2: Convert to fraction form
2,378,839.52/3,282,801.62 = 1,291,110.98/x - Step 3: Cross multiply
2,378,839.52x = 3,282,801.62 × 1,291,110.98 - Step 4: Simplify right side
2,378,839.52x = 4,238,461,193,874.23 - Step 5: Solve for x
x = 4,238,461,193,874.23/2,378,839.52 - Step 6: Final answer
x = 1,781,734.81
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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.