Finding the Fourth Proportional to 1,628,089.20, 2,246,603.04 and 902,924.28
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Solution
The fourth proportional to 1,628,089.20, 2,246,603.04 and 902,924.28 is: 1,245,946.74
Step by Step Solution
- Step 1: Write the proportion equation
1,628,089.20 : 2,246,603.04 = 902,924.28 : x - Step 2: Convert to fraction form
1,628,089.20/2,246,603.04 = 902,924.28/x - Step 3: Cross multiply
1,628,089.20x = 2,246,603.04 × 902,924.28 - Step 4: Simplify right side
1,628,089.20x = 2,028,512,432,337.81 - Step 5: Solve for x
x = 2,028,512,432,337.81/1,628,089.20 - Step 6: Final answer
x = 1,245,946.74
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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.