Finding the Fourth Proportional to 2,829,512.16, 4,243,477.68 and 1,122,887.52
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Solution
The fourth proportional to 2,829,512.16, 4,243,477.68 and 1,122,887.52 is: 1,684,017.55
Step by Step Solution
- Step 1: Write the proportion equation
2,829,512.16 : 4,243,477.68 = 1,122,887.52 : x - Step 2: Convert to fraction form
2,829,512.16/4,243,477.68 = 1,122,887.52/x - Step 3: Cross multiply
2,829,512.16x = 4,243,477.68 × 1,122,887.52 - Step 4: Simplify right side
2,829,512.16x = 4,764,948,128,270.55 - Step 5: Solve for x
x = 4,764,948,128,270.55/2,829,512.16 - Step 6: Final answer
x = 1,684,017.55
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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.