Finding the Fourth Proportional to 3,405,295.84, 4,699,340.88 and 1,877,457.76
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Solution
The fourth proportional to 3,405,295.84, 4,699,340.88 and 1,877,457.76 is: 2,590,909.69
Step by Step Solution
- Step 1: Write the proportion equation
3,405,295.84 : 4,699,340.88 = 1,877,457.76 : x - Step 2: Convert to fraction form
3,405,295.84/4,699,340.88 = 1,877,457.76/x - Step 3: Cross multiply
3,405,295.84x = 4,699,340.88 × 1,877,457.76 - Step 4: Simplify right side
3,405,295.84x = 8,822,814,002,041.23 - Step 5: Solve for x
x = 8,822,814,002,041.23/3,405,295.84 - Step 6: Final answer
x = 2,590,909.69
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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.