Finding the Fourth Proportional to 1,679,739.48, 2,518,427.88 and 780,226.20
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Solution
The fourth proportional to 1,679,739.48, 2,518,427.88 and 780,226.20 is: 1,169,790.58
Step by Step Solution
- Step 1: Write the proportion equation
1,679,739.48 : 2,518,427.88 = 780,226.20 : x - Step 2: Convert to fraction form
1,679,739.48/2,518,427.88 = 780,226.20/x - Step 3: Cross multiply
1,679,739.48x = 2,518,427.88 × 780,226.20 - Step 4: Simplify right side
1,679,739.48x = 1,964,943,414,786.46 - Step 5: Solve for x
x = 1,964,943,414,786.46/1,679,739.48 - Step 6: Final answer
x = 1,169,790.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.