Finding the Fourth Proportional to 2,141,483.40, 3,205,913.99 and 1,875,762.90
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Solution
The fourth proportional to 2,141,483.40, 3,205,913.99 and 1,875,762.90 is: 2,808,116.33
Step by Step Solution
- Step 1: Write the proportion equation
2,141,483.40 : 3,205,913.99 = 1,875,762.90 : x - Step 2: Convert to fraction form
2,141,483.40/3,205,913.99 = 1,875,762.90/x - Step 3: Cross multiply
2,141,483.40x = 3,205,913.99 × 1,875,762.90 - Step 4: Simplify right side
2,141,483.40x = 6,013,534,513,654.16 - Step 5: Solve for x
x = 6,013,534,513,654.16/2,141,483.40 - Step 6: Final answer
x = 2,808,116.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.