Finding the Fourth Proportional to 6,781,144, 9,357,982.50 and 3,725,555.08
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Solution
The fourth proportional to 6,781,144, 9,357,982.50 and 3,725,555.08 is: 5,141,268.09
Step by Step Solution
- Step 1: Write the proportion equation
6,781,144 : 9,357,982.50 = 3,725,555.08 : x - Step 2: Convert to fraction form
6,781,144/9,357,982.50 = 3,725,555.08/x - Step 3: Cross multiply
6,781,144x = 9,357,982.50 × 3,725,555.08 - Step 4: Simplify right side
6,781,144x = 34,863,679,241,426.10 - Step 5: Solve for x
x = 34,863,679,241,426.10/6,781,144 - Step 6: Final answer
x = 5,141,268.09
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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.