Finding the Fourth Proportional to 6,417,876.24, 8,856,681.75 and 3,517,374.78
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Solution
The fourth proportional to 6,417,876.24, 8,856,681.75 and 3,517,374.78 is: 4,853,984.07
Step by Step Solution
- Step 1: Write the proportion equation
6,417,876.24 : 8,856,681.75 = 3,517,374.78 : x - Step 2: Convert to fraction form
6,417,876.24/8,856,681.75 = 3,517,374.78/x - Step 3: Cross multiply
6,417,876.24x = 8,856,681.75 × 3,517,374.78 - Step 4: Simplify right side
6,417,876.24x = 31,152,269,021,936.26 - Step 5: Solve for x
x = 31,152,269,021,936.26/6,417,876.24 - Step 6: Final answer
x = 4,853,984.07
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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.