Finding the Fourth Proportional to 3,017,421.98, 4,163,023.30 and 1,710,533.91
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Solution
The fourth proportional to 3,017,421.98, 4,163,023.30 and 1,710,533.91 is: 2,359,959.12
Step by Step Solution
- Step 1: Write the proportion equation
3,017,421.98 : 4,163,023.30 = 1,710,533.91 : x - Step 2: Convert to fraction form
3,017,421.98/4,163,023.30 = 1,710,533.91/x - Step 3: Cross multiply
3,017,421.98x = 4,163,023.30 × 1,710,533.91 - Step 4: Simplify right side
3,017,421.98x = 7,120,992,522,770.10 - Step 5: Solve for x
x = 7,120,992,522,770.10/3,017,421.98 - Step 6: Final answer
x = 2,359,959.12
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1.5x scale
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.