Finding the Fourth Proportional to 6,432,239.07, 8,880,643.98 and 3,987,462.78
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Solution
The fourth proportional to 6,432,239.07, 8,880,643.98 and 3,987,462.78 is: 5,505,273.82
Step by Step Solution
- Step 1: Write the proportion equation
6,432,239.07 : 8,880,643.98 = 3,987,462.78 : x - Step 2: Convert to fraction form
6,432,239.07/8,880,643.98 = 3,987,462.78/x - Step 3: Cross multiply
6,432,239.07x = 8,880,643.98 × 3,987,462.78 - Step 4: Simplify right side
6,432,239.07x = 35,411,237,332,681.06 - Step 5: Solve for x
x = 35,411,237,332,681.06/6,432,239.07 - Step 6: Final answer
x = 5,505,273.82
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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.