Finding the Fourth Proportional to 1,865,202.12, 2,797,802.91 and 517,364.75
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Solution
The fourth proportional to 1,865,202.12, 2,797,802.91 and 517,364.75 is: 776,047.05
Step by Step Solution
- Step 1: Write the proportion equation
1,865,202.12 : 2,797,802.91 = 517,364.75 : x - Step 2: Convert to fraction form
1,865,202.12/2,797,802.91 = 517,364.75/x - Step 3: Cross multiply
1,865,202.12x = 2,797,802.91 × 517,364.75 - Step 4: Simplify right side
1,865,202.12x = 1,447,484,610,075.93 - Step 5: Solve for x
x = 1,447,484,610,075.93/1,865,202.12 - Step 6: Final answer
x = 776,047.05
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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.