Finding the Fourth Proportional to 1,670,753.55, 2,305,642.14 and 906,806.91
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Solution
The fourth proportional to 1,670,753.55, 2,305,642.14 and 906,806.91 is: 1,251,394.75
Step by Step Solution
- Step 1: Write the proportion equation
1,670,753.55 : 2,305,642.14 = 906,806.91 : x - Step 2: Convert to fraction form
1,670,753.55/2,305,642.14 = 906,806.91/x - Step 3: Cross multiply
1,670,753.55x = 2,305,642.14 × 906,806.91 - Step 4: Simplify right side
1,670,753.55x = 2,090,772,224,539.19 - Step 5: Solve for x
x = 2,090,772,224,539.19/1,670,753.55 - Step 6: Final answer
x = 1,251,394.75
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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.