Finding the Fourth Proportional to 1,875,043.68, 2,812,545 and 455,099.75
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Solution
The fourth proportional to 1,875,043.68, 2,812,545 and 455,099.75 is: 682,644.65
Step by Step Solution
- Step 1: Write the proportion equation
1,875,043.68 : 2,812,545 = 455,099.75 : x - Step 2: Convert to fraction form
1,875,043.68/2,812,545 = 455,099.75/x - Step 3: Cross multiply
1,875,043.68x = 2,812,545 × 455,099.75 - Step 4: Simplify right side
1,875,043.68x = 1,279,988,526,363.75 - Step 5: Solve for x
x = 1,279,988,526,363.75/1,875,043.68 - Step 6: Final answer
x = 682,644.65
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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.