Finding the Fourth Proportional to 2,742,476.64, 4,115,290.18 and 2,141,751.48
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Solution
The fourth proportional to 2,742,476.64, 4,115,290.18 and 2,141,751.48 is: 3,213,857.40
Step by Step Solution
- Step 1: Write the proportion equation
2,742,476.64 : 4,115,290.18 = 2,141,751.48 : x - Step 2: Convert to fraction form
2,742,476.64/4,115,290.18 = 2,141,751.48/x - Step 3: Cross multiply
2,742,476.64x = 4,115,290.18 × 2,141,751.48 - Step 4: Simplify right side
2,742,476.64x = 8,813,928,833,644.47 - Step 5: Solve for x
x = 8,813,928,833,644.47/2,742,476.64 - Step 6: Final answer
x = 3,213,857.40
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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.