Finding the Fourth Proportional to 1,457,591.79, 2,011,390.05 and 845,697.15
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Solution
The fourth proportional to 1,457,591.79, 2,011,390.05 and 845,697.15 is: 1,167,011.81
Step by Step Solution
- Step 1: Write the proportion equation
1,457,591.79 : 2,011,390.05 = 845,697.15 : x - Step 2: Convert to fraction form
1,457,591.79/2,011,390.05 = 845,697.15/x - Step 3: Cross multiply
1,457,591.79x = 2,011,390.05 × 845,697.15 - Step 4: Simplify right side
1,457,591.79x = 1,701,026,832,823.36 - Step 5: Solve for x
x = 1,701,026,832,823.36/1,457,591.79 - Step 6: Final answer
x = 1,167,011.81
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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.