Finding the Fourth Proportional to 7,452,038.80, 10,284,902.58 and 4,189,122.28
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Solution
The fourth proportional to 7,452,038.80, 10,284,902.58 and 4,189,122.28 is: 5,781,600.94
Step by Step Solution
- Step 1: Write the proportion equation
7,452,038.80 : 10,284,902.58 = 4,189,122.28 : x - Step 2: Convert to fraction form
7,452,038.80/10,284,902.58 = 4,189,122.28/x - Step 3: Cross multiply
7,452,038.80x = 10,284,902.58 × 4,189,122.28 - Step 4: Simplify right side
7,452,038.80x = 43,084,714,545,507.48 - Step 5: Solve for x
x = 43,084,714,545,507.48/7,452,038.80 - Step 6: Final answer
x = 5,781,600.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.