Finding the Fourth Proportional to 1,859,513.68, 2,565,931.69 and 1,043,807.11
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Solution
The fourth proportional to 1,859,513.68, 2,565,931.69 and 1,043,807.11 is: 1,440,343.12
Step by Step Solution
- Step 1: Write the proportion equation
1,859,513.68 : 2,565,931.69 = 1,043,807.11 : x - Step 2: Convert to fraction form
1,859,513.68/2,565,931.69 = 1,043,807.11/x - Step 3: Cross multiply
1,859,513.68x = 2,565,931.69 × 1,043,807.11 - Step 4: Simplify right side
1,859,513.68x = 2,678,337,739,622.06 - Step 5: Solve for x
x = 2,678,337,739,622.06/1,859,513.68 - Step 6: Final answer
x = 1,440,343.12
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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.