Finding the Fourth Proportional to 2,865,048.05, 3,955,400.46 and 1,899,486.18
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Solution
The fourth proportional to 2,865,048.05, 3,955,400.46 and 1,899,486.18 is: 2,622,374.35
Step by Step Solution
- Step 1: Write the proportion equation
2,865,048.05 : 3,955,400.46 = 1,899,486.18 : x - Step 2: Convert to fraction form
2,865,048.05/3,955,400.46 = 1,899,486.18/x - Step 3: Cross multiply
2,865,048.05x = 3,955,400.46 × 1,899,486.18 - Step 4: Simplify right side
2,865,048.05x = 7,513,228,510,135.64 - Step 5: Solve for x
x = 7,513,228,510,135.64/2,865,048.05 - Step 6: Final answer
x = 2,622,374.35
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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.