Finding the Fourth Proportional to 2,742,525.99, 3,782,863.51 and 1,763,702.55
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Solution
The fourth proportional to 2,742,525.99, 3,782,863.51 and 1,763,702.55 is: 2,432,737.57
Step by Step Solution
- Step 1: Write the proportion equation
2,742,525.99 : 3,782,863.51 = 1,763,702.55 : x - Step 2: Convert to fraction form
2,742,525.99/3,782,863.51 = 1,763,702.55/x - Step 3: Cross multiply
2,742,525.99x = 3,782,863.51 × 1,763,702.55 - Step 4: Simplify right side
2,742,525.99x = 6,671,845,999,974.63 - Step 5: Solve for x
x = 6,671,845,999,974.63/2,742,525.99 - Step 6: Final answer
x = 2,432,737.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.