Finding the Fourth Proportional to 1,875,328.21, 2,812,953.43 and 455,391.73
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Solution
The fourth proportional to 1,875,328.21, 2,812,953.43 and 455,391.73 is: 683,078.15
Step by Step Solution
- Step 1: Write the proportion equation
1,875,328.21 : 2,812,953.43 = 455,391.73 : x - Step 2: Convert to fraction form
1,875,328.21/2,812,953.43 = 455,391.73/x - Step 3: Cross multiply
1,875,328.21x = 2,812,953.43 × 455,391.73 - Step 4: Simplify right side
1,875,328.21x = 1,280,995,728,897.13 - Step 5: Solve for x
x = 1,280,995,728,897.13/1,875,328.21 - Step 6: Final answer
x = 683,078.15
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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.