Finding the Fourth Proportional to 1,680,809.18, 2,319,710.25 and 935,810.06
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Solution
The fourth proportional to 1,680,809.18, 2,319,710.25 and 935,810.06 is: 1,291,525.66
Step by Step Solution
- Step 1: Write the proportion equation
1,680,809.18 : 2,319,710.25 = 935,810.06 : x - Step 2: Convert to fraction form
1,680,809.18/2,319,710.25 = 935,810.06/x - Step 3: Cross multiply
1,680,809.18x = 2,319,710.25 × 935,810.06 - Step 4: Simplify right side
1,680,809.18x = 2,170,808,188,235.12 - Step 5: Solve for x
x = 2,170,808,188,235.12/1,680,809.18 - Step 6: Final answer
x = 1,291,525.66
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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.