Finding the Fourth Proportional to 3,903,630.48, 5,387,577.84 and 2,249,457.12
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Solution
The fourth proportional to 3,903,630.48, 5,387,577.84 and 2,249,457.12 is: 3,104,578.01
Step by Step Solution
- Step 1: Write the proportion equation
3,903,630.48 : 5,387,577.84 = 2,249,457.12 : x - Step 2: Convert to fraction form
3,903,630.48/5,387,577.84 = 2,249,457.12/x - Step 3: Cross multiply
3,903,630.48x = 5,387,577.84 × 2,249,457.12 - Step 4: Simplify right side
3,903,630.48x = 12,119,125,331,742.22 - Step 5: Solve for x
x = 12,119,125,331,742.22/3,903,630.48 - Step 6: Final answer
x = 3,104,578.01
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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.