Finding the Fourth Proportional to 1,640,992.87, 2,460,214.48 and 1,063,395.98
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Solution
The fourth proportional to 1,640,992.87, 2,460,214.48 and 1,063,395.98 is: 1,594,267.86
Step by Step Solution
- Step 1: Write the proportion equation
1,640,992.87 : 2,460,214.48 = 1,063,395.98 : x - Step 2: Convert to fraction form
1,640,992.87/2,460,214.48 = 1,063,395.98/x - Step 3: Cross multiply
1,640,992.87x = 2,460,214.48 × 1,063,395.98 - Step 4: Simplify right side
1,640,992.87x = 2,616,182,187,969.79 - Step 5: Solve for x
x = 2,616,182,187,969.79/1,640,992.87 - Step 6: Final answer
x = 1,594,267.86
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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.