Finding the Fourth Proportional to 4,403,432.10, 6,605,148.15 and 1,209,051.30
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Solution
The fourth proportional to 4,403,432.10, 6,605,148.15 and 1,209,051.30 is: 1,813,576.95
Step by Step Solution
- Step 1: Write the proportion equation
4,403,432.10 : 6,605,148.15 = 1,209,051.30 : x - Step 2: Convert to fraction form
4,403,432.10/6,605,148.15 = 1,209,051.30/x - Step 3: Cross multiply
4,403,432.10x = 6,605,148.15 × 1,209,051.30 - Step 4: Simplify right side
4,403,432.10x = 7,985,962,957,450.10 - Step 5: Solve for x
x = 7,985,962,957,450.10/4,403,432.10 - Step 6: Final answer
x = 1,813,576.95
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Double scale
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Similar ratio
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1.5x scale
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.