Finding the Fourth Proportional to 2,378,962.98, 3,282,880.98 and 1,291,211.19
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Solution
The fourth proportional to 2,378,962.98, 3,282,880.98 and 1,291,211.19 is: 1,781,823.72
Step by Step Solution
- Step 1: Write the proportion equation
2,378,962.98 : 3,282,880.98 = 1,291,211.19 : x - Step 2: Convert to fraction form
2,378,962.98/3,282,880.98 = 1,291,211.19/x - Step 3: Cross multiply
2,378,962.98x = 3,282,880.98 × 1,291,211.19 - Step 4: Simplify right side
2,378,962.98x = 4,238,892,656,814.17 - Step 5: Solve for x
x = 4,238,892,656,814.17/2,378,962.98 - Step 6: Final answer
x = 1,781,823.72
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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.