Finding the Fourth Proportional to 1,679,383.94, 2,317,573.95 and 915,437.48
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Solution
The fourth proportional to 1,679,383.94, 2,317,573.95 and 915,437.48 is: 1,263,316.87
Step by Step Solution
- Step 1: Write the proportion equation
1,679,383.94 : 2,317,573.95 = 915,437.48 : x - Step 2: Convert to fraction form
1,679,383.94/2,317,573.95 = 915,437.48/x - Step 3: Cross multiply
1,679,383.94x = 2,317,573.95 × 915,437.48 - Step 4: Simplify right side
1,679,383.94x = 2,121,594,056,501.65 - Step 5: Solve for x
x = 2,121,594,056,501.65/1,679,383.94 - Step 6: Final answer
x = 1,263,316.87
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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.