Finding the Fourth Proportional to 1,610,398.28, 2,222,377.26 and 885,276.60
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Solution
The fourth proportional to 1,610,398.28, 2,222,377.26 and 885,276.60 is: 1,221,696.90
Step by Step Solution
- Step 1: Write the proportion equation
1,610,398.28 : 2,222,377.26 = 885,276.60 : x - Step 2: Convert to fraction form
1,610,398.28/2,222,377.26 = 885,276.60/x - Step 3: Cross multiply
1,610,398.28x = 2,222,377.26 × 885,276.60 - Step 4: Simplify right side
1,610,398.28x = 1,967,418,584,650.12 - Step 5: Solve for x
x = 1,967,418,584,650.12/1,610,398.28 - Step 6: Final answer
x = 1,221,696.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.