Finding the Fourth Proportional to 7,191,617.68, 10,785,966.36 and 2,641,102.48
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Solution
The fourth proportional to 7,191,617.68, 10,785,966.36 and 2,641,102.48 is: 3,961,117.48
Step by Step Solution
- Step 1: Write the proportion equation
7,191,617.68 : 10,785,966.36 = 2,641,102.48 : x - Step 2: Convert to fraction form
7,191,617.68/10,785,966.36 = 2,641,102.48/x - Step 3: Cross multiply
7,191,617.68x = 10,785,966.36 × 2,641,102.48 - Step 4: Simplify right side
7,191,617.68x = 28,486,842,502,592.57 - Step 5: Solve for x
x = 28,486,842,502,592.57/7,191,617.68 - Step 6: Final answer
x = 3,961,117.48
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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.