Finding the Fourth Proportional to 1,485,689.16, 2,228,270.28 and 675,885.44
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Solution
The fourth proportional to 1,485,689.16, 2,228,270.28 and 675,885.44 is: 1,013,708.30
Step by Step Solution
- Step 1: Write the proportion equation
1,485,689.16 : 2,228,270.28 = 675,885.44 : x - Step 2: Convert to fraction form
1,485,689.16/2,228,270.28 = 675,885.44/x - Step 3: Cross multiply
1,485,689.16x = 2,228,270.28 × 675,885.44 - Step 4: Simplify right side
1,485,689.16x = 1,506,055,438,636.72 - Step 5: Solve for x
x = 1,506,055,438,636.72/1,485,689.16 - Step 6: Final answer
x = 1,013,708.30
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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.