Finding the Fourth Proportional to 4,683,484.38, 7,020,441.12 and 2,657,448.26
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Solution
The fourth proportional to 4,683,484.38, 7,020,441.12 and 2,657,448.26 is: 3,983,457.09
Step by Step Solution
- Step 1: Write the proportion equation
4,683,484.38 : 7,020,441.12 = 2,657,448.26 : x - Step 2: Convert to fraction form
4,683,484.38/7,020,441.12 = 2,657,448.26/x - Step 3: Cross multiply
4,683,484.38x = 7,020,441.12 × 2,657,448.26 - Step 4: Simplify right side
4,683,484.38x = 18,656,459,038,776.45 - Step 5: Solve for x
x = 18,656,459,038,776.45/4,683,484.38 - Step 6: Final answer
x = 3,983,457.09
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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.