Finding the Fourth Proportional to 1,642,994.84, 2,459,947.62 and 842,550.68
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Solution
The fourth proportional to 1,642,994.84, 2,459,947.62 and 842,550.68 is: 1,261,495.47
Step by Step Solution
- Step 1: Write the proportion equation
1,642,994.84 : 2,459,947.62 = 842,550.68 : x - Step 2: Convert to fraction form
1,642,994.84/2,459,947.62 = 842,550.68/x - Step 3: Cross multiply
1,642,994.84x = 2,459,947.62 × 842,550.68 - Step 4: Simplify right side
1,642,994.84x = 2,072,630,539,995.38 - Step 5: Solve for x
x = 2,072,630,539,995.38/1,642,994.84 - Step 6: Final answer
x = 1,261,495.47
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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.