Finding the Fourth Proportional to 4,813,507.02, 7,220,204.91 and 1,170,257.53
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Solution
The fourth proportional to 4,813,507.02, 7,220,204.91 and 1,170,257.53 is: 1,755,372.77
Step by Step Solution
- Step 1: Write the proportion equation
4,813,507.02 : 7,220,204.91 = 1,170,257.53 : x - Step 2: Convert to fraction form
4,813,507.02/7,220,204.91 = 1,170,257.53/x - Step 3: Cross multiply
4,813,507.02x = 7,220,204.91 × 1,170,257.53 - Step 4: Simplify right side
4,813,507.02x = 8,449,499,164,070.47 - Step 5: Solve for x
x = 8,449,499,164,070.47/4,813,507.02 - Step 6: Final answer
x = 1,755,372.77
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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.