Finding the Fourth Proportional to 4,201,616.90, 6,302,425.35 and 1,210,103.30
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Solution
The fourth proportional to 4,201,616.90, 6,302,425.35 and 1,210,103.30 is: 1,815,154.95
Step by Step Solution
- Step 1: Write the proportion equation
4,201,616.90 : 6,302,425.35 = 1,210,103.30 : x - Step 2: Convert to fraction form
4,201,616.90/6,302,425.35 = 1,210,103.30/x - Step 3: Cross multiply
4,201,616.90x = 6,302,425.35 × 1,210,103.30 - Step 4: Simplify right side
4,201,616.90x = 7,626,585,714,038.66 - Step 5: Solve for x
x = 7,626,585,714,038.66/4,201,616.90 - Step 6: Final answer
x = 1,815,154.95
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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.