Finding the Fourth Proportional to 3,759,281.34, 5,186,918.71 and 2,127,688.75
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Solution
The fourth proportional to 3,759,281.34, 5,186,918.71 and 2,127,688.75 is: 2,935,707.01
Step by Step Solution
- Step 1: Write the proportion equation
3,759,281.34 : 5,186,918.71 = 2,127,688.75 : x - Step 2: Convert to fraction form
3,759,281.34/5,186,918.71 = 2,127,688.75/x - Step 3: Cross multiply
3,759,281.34x = 5,186,918.71 × 2,127,688.75 - Step 4: Simplify right side
3,759,281.34x = 11,036,148,586,431.51 - Step 5: Solve for x
x = 11,036,148,586,431.51/3,759,281.34 - Step 6: Final answer
x = 2,935,707.01
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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.