Finding the Fourth Proportional to 1,569,179.14, 2,165,403.45 and 890,101.06
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Solution
The fourth proportional to 1,569,179.14, 2,165,403.45 and 890,101.06 is: 1,228,303.29
Step by Step Solution
- Step 1: Write the proportion equation
1,569,179.14 : 2,165,403.45 = 890,101.06 : x - Step 2: Convert to fraction form
1,569,179.14/2,165,403.45 = 890,101.06/x - Step 3: Cross multiply
1,569,179.14x = 2,165,403.45 × 890,101.06 - Step 4: Simplify right side
1,569,179.14x = 1,927,427,906,172.66 - Step 5: Solve for x
x = 1,927,427,906,172.66/1,569,179.14 - Step 6: Final answer
x = 1,228,303.29
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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.