Finding the Fourth Proportional to 2,688,536.08, 4,032,800.44 and 1,248,431.99
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Solution
The fourth proportional to 2,688,536.08, 4,032,800.44 and 1,248,431.99 is: 1,872,646.28
Step by Step Solution
- Step 1: Write the proportion equation
2,688,536.08 : 4,032,800.44 = 1,248,431.99 : x - Step 2: Convert to fraction form
2,688,536.08/4,032,800.44 = 1,248,431.99/x - Step 3: Cross multiply
2,688,536.08x = 4,032,800.44 × 1,248,431.99 - Step 4: Simplify right side
2,688,536.08x = 5,034,677,085,543.00 - Step 5: Solve for x
x = 5,034,677,085,543.00/2,688,536.08 - Step 6: Final answer
x = 1,872,646.28
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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.