Finding the Fourth Proportional to 1,670,605.74, 2,305,437.12 and 906,659.31
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Solution
The fourth proportional to 1,670,605.74, 2,305,437.12 and 906,659.31 is: 1,251,190.50
Step by Step Solution
- Step 1: Write the proportion equation
1,670,605.74 : 2,305,437.12 = 906,659.31 : x - Step 2: Convert to fraction form
1,670,605.74/2,305,437.12 = 906,659.31/x - Step 3: Cross multiply
1,670,605.74x = 2,305,437.12 × 906,659.31 - Step 4: Simplify right side
1,670,605.74x = 2,090,246,028,467.59 - Step 5: Solve for x
x = 2,090,246,028,467.59/1,670,605.74 - Step 6: Final answer
x = 1,251,190.50
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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.