Finding the Fourth Proportional to 1,445,660.10, 2,168,490.15 and 699,164.10
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Solution
The fourth proportional to 1,445,660.10, 2,168,490.15 and 699,164.10 is: 1,048,746.15
Step by Step Solution
- Step 1: Write the proportion equation
1,445,660.10 : 2,168,490.15 = 699,164.10 : x - Step 2: Convert to fraction form
1,445,660.10/2,168,490.15 = 699,164.10/x - Step 3: Cross multiply
1,445,660.10x = 2,168,490.15 × 699,164.10 - Step 4: Simplify right side
1,445,660.10x = 1,516,130,464,083.62 - Step 5: Solve for x
x = 1,516,130,464,083.62/1,445,660.10 - Step 6: Final answer
x = 1,048,746.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.