Finding the Fourth Proportional to 4,742,878.02, 7,114,293.21 and 1,148,644.87
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Solution
The fourth proportional to 4,742,878.02, 7,114,293.21 and 1,148,644.87 is: 1,722,961.53
Step by Step Solution
- Step 1: Write the proportion equation
4,742,878.02 : 7,114,293.21 = 1,148,644.87 : x - Step 2: Convert to fraction form
4,742,878.02/7,114,293.21 = 1,148,644.87/x - Step 3: Cross multiply
4,742,878.02x = 7,114,293.21 × 1,148,644.87 - Step 4: Simplify right side
4,742,878.02x = 8,171,796,385,864.02 - Step 5: Solve for x
x = 8,171,796,385,864.02/4,742,878.02 - Step 6: Final answer
x = 1,722,961.53
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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.