Finding the Fourth Proportional to 2,681,051.18, 3,699,885.21 and 1,457,374.46
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Solution
The fourth proportional to 2,681,051.18, 3,699,885.21 and 1,457,374.46 is: 2,011,195.55
Step by Step Solution
- Step 1: Write the proportion equation
2,681,051.18 : 3,699,885.21 = 1,457,374.46 : x - Step 2: Convert to fraction form
2,681,051.18/3,699,885.21 = 1,457,374.46/x - Step 3: Cross multiply
2,681,051.18x = 3,699,885.21 × 1,457,374.46 - Step 4: Simplify right side
2,681,051.18x = 5,392,118,209,985.74 - Step 5: Solve for x
x = 5,392,118,209,985.74/2,681,051.18 - Step 6: Final answer
x = 2,011,195.55
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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.