Finding the Fourth Proportional to 6,999,050.79, 9,658,690.56 and 3,779,786.79
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Solution
The fourth proportional to 6,999,050.79, 9,658,690.56 and 3,779,786.79 is: 5,216,106.02
Step by Step Solution
- Step 1: Write the proportion equation
6,999,050.79 : 9,658,690.56 = 3,779,786.79 : x - Step 2: Convert to fraction form
6,999,050.79/9,658,690.56 = 3,779,786.79/x - Step 3: Cross multiply
6,999,050.79x = 9,658,690.56 × 3,779,786.79 - Step 4: Simplify right side
6,999,050.79x = 36,507,790,987,385.70 - Step 5: Solve for x
x = 36,507,790,987,385.70/6,999,050.79 - Step 6: Final answer
x = 5,216,106.02
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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.