Finding the Fourth Proportional to 1,564,276.80, 2,157,586.84 and 1,435,629.96
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Solution
The fourth proportional to 1,564,276.80, 2,157,586.84 and 1,435,629.96 is: 1,980,145.91
Step by Step Solution
- Step 1: Write the proportion equation
1,564,276.80 : 2,157,586.84 = 1,435,629.96 : x - Step 2: Convert to fraction form
1,564,276.80/2,157,586.84 = 1,435,629.96/x - Step 3: Cross multiply
1,564,276.80x = 2,157,586.84 × 1,435,629.96 - Step 4: Simplify right side
1,564,276.80x = 3,097,496,308,805.73 - Step 5: Solve for x
x = 3,097,496,308,805.73/1,564,276.80 - Step 6: Final answer
x = 1,980,145.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.