Finding the Fourth Proportional to 2,858,681.35, 4,287,111.58 and 939,146.99
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Solution
The fourth proportional to 2,858,681.35, 4,287,111.58 and 939,146.99 is: 1,408,421.38
Step by Step Solution
- Step 1: Write the proportion equation
2,858,681.35 : 4,287,111.58 = 939,146.99 : x - Step 2: Convert to fraction form
2,858,681.35/4,287,111.58 = 939,146.99/x - Step 3: Cross multiply
2,858,681.35x = 4,287,111.58 × 939,146.99 - Step 4: Simplify right side
2,858,681.35x = 4,026,227,931,455.41 - Step 5: Solve for x
x = 4,026,227,931,455.41/2,858,681.35 - Step 6: Final answer
x = 1,408,421.38
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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.