Finding the Fourth Proportional to 2,877,830.98, 3,971,415.35 and 1,571,085.07
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Solution
The fourth proportional to 2,877,830.98, 3,971,415.35 and 1,571,085.07 is: 2,168,102.09
Step by Step Solution
- Step 1: Write the proportion equation
2,877,830.98 : 3,971,415.35 = 1,571,085.07 : x - Step 2: Convert to fraction form
2,877,830.98/3,971,415.35 = 1,571,085.07/x - Step 3: Cross multiply
2,877,830.98x = 3,971,415.35 × 1,571,085.07 - Step 4: Simplify right side
2,877,830.98x = 6,239,431,363,153.83 - Step 5: Solve for x
x = 6,239,431,363,153.83/2,877,830.98 - Step 6: Final answer
x = 2,168,102.09
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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.