Finding the Fourth Proportional to 1,742,276.16, 2,612,947.68 and 479,803.68
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Solution
The fourth proportional to 1,742,276.16, 2,612,947.68 and 479,803.68 is: 719,577.03
Step by Step Solution
- Step 1: Write the proportion equation
1,742,276.16 : 2,612,947.68 = 479,803.68 : x - Step 2: Convert to fraction form
1,742,276.16/2,612,947.68 = 479,803.68/x - Step 3: Cross multiply
1,742,276.16x = 2,612,947.68 × 479,803.68 - Step 4: Simplify right side
1,742,276.16x = 1,253,701,912,511.46 - Step 5: Solve for x
x = 1,253,701,912,511.46/1,742,276.16 - Step 6: Final answer
x = 719,577.03
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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.