Finding the Fourth Proportional to 6,781,044.76, 9,357,974.26 and 3,725,374.84
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Solution
The fourth proportional to 6,781,044.76, 9,357,974.26 and 3,725,374.84 is: 5,141,090.07
Step by Step Solution
- Step 1: Write the proportion equation
6,781,044.76 : 9,357,974.26 = 3,725,374.84 : x - Step 2: Convert to fraction form
6,781,044.76/9,357,974.26 = 3,725,374.84/x - Step 3: Cross multiply
6,781,044.76x = 9,357,974.26 × 3,725,374.84 - Step 4: Simplify right side
6,781,044.76x = 34,861,961,861,571.62 - Step 5: Solve for x
x = 34,861,961,861,571.62/6,781,044.76 - Step 6: Final answer
x = 5,141,090.07
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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.