Finding the Fourth Proportional to 4,968,908.65, 6,856,934.20 and 2,793,543.13
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Solution
The fourth proportional to 4,968,908.65, 6,856,934.20 and 2,793,543.13 is: 3,854,999.71
Step by Step Solution
- Step 1: Write the proportion equation
4,968,908.65 : 6,856,934.20 = 2,793,543.13 : x - Step 2: Convert to fraction form
4,968,908.65/6,856,934.20 = 2,793,543.13/x - Step 3: Cross multiply
4,968,908.65x = 6,856,934.20 × 2,793,543.13 - Step 4: Simplify right side
4,968,908.65x = 19,155,141,427,272.05 - Step 5: Solve for x
x = 19,155,141,427,272.05/4,968,908.65 - Step 6: Final answer
x = 3,854,999.71
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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.