Finding the Fourth Proportional to 1,995,541.80, 2,993,312.70 and 1,357,812.60
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Solution
The fourth proportional to 1,995,541.80, 2,993,312.70 and 1,357,812.60 is: 2,036,718.90
Step by Step Solution
- Step 1: Write the proportion equation
1,995,541.80 : 2,993,312.70 = 1,357,812.60 : x - Step 2: Convert to fraction form
1,995,541.80/2,993,312.70 = 1,357,812.60/x - Step 3: Cross multiply
1,995,541.80x = 2,993,312.70 × 1,357,812.60 - Step 4: Simplify right side
1,995,541.80x = 4,064,357,699,800.02 - Step 5: Solve for x
x = 4,064,357,699,800.02/1,995,541.80 - Step 6: Final answer
x = 2,036,718.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.