Finding the Fourth Proportional to 1,670,603.74, 2,305,434.36 and 906,657.31
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Solution
The fourth proportional to 1,670,603.74, 2,305,434.36 and 906,657.31 is: 1,251,187.74
Step by Step Solution
- Step 1: Write the proportion equation
1,670,603.74 : 2,305,434.36 = 906,657.31 : x - Step 2: Convert to fraction form
1,670,603.74/2,305,434.36 = 906,657.31/x - Step 3: Cross multiply
1,670,603.74x = 2,305,434.36 × 906,657.31 - Step 4: Simplify right side
1,670,603.74x = 2,090,238,915,219.17 - Step 5: Solve for x
x = 2,090,238,915,219.17/1,670,603.74 - Step 6: Final answer
x = 1,251,187.74
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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.