Finding the Fourth Proportional to 1,640,990.12, 2,460,210.35 and 1,063,393.23
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Solution
The fourth proportional to 1,640,990.12, 2,460,210.35 and 1,063,393.23 is: 1,594,263.73
Step by Step Solution
- Step 1: Write the proportion equation
1,640,990.12 : 2,460,210.35 = 1,063,393.23 : x - Step 2: Convert to fraction form
1,640,990.12/2,460,210.35 = 1,063,393.23/x - Step 3: Cross multiply
1,640,990.12x = 2,460,210.35 × 1,063,393.23 - Step 4: Simplify right side
1,640,990.12x = 2,616,171,030,565.93 - Step 5: Solve for x
x = 2,616,171,030,565.93/1,640,990.12 - Step 6: Final answer
x = 1,594,263.73
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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.