Finding the Fourth Proportional to 1,627,946.12, 2,246,565.78 and 902,904.68
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Solution
The fourth proportional to 1,627,946.12, 2,246,565.78 and 902,904.68 is: 1,246,008.53
Step by Step Solution
- Step 1: Write the proportion equation
1,627,946.12 : 2,246,565.78 = 902,904.68 : x - Step 2: Convert to fraction form
1,627,946.12/2,246,565.78 = 902,904.68/x - Step 3: Cross multiply
1,627,946.12x = 2,246,565.78 × 902,904.68 - Step 4: Simplify right side
1,627,946.12x = 2,028,434,756,689.85 - Step 5: Solve for x
x = 2,028,434,756,689.85/1,627,946.12 - Step 6: Final answer
x = 1,246,008.53
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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.