Finding the Fourth Proportional to 2,671,281.78, 3,997,344.79 and 2,312,686.09
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Solution
The fourth proportional to 2,671,281.78, 3,997,344.79 and 2,312,686.09 is: 3,460,737.00
Step by Step Solution
- Step 1: Write the proportion equation
2,671,281.78 : 3,997,344.79 = 2,312,686.09 : x - Step 2: Convert to fraction form
2,671,281.78/3,997,344.79 = 2,312,686.09/x - Step 3: Cross multiply
2,671,281.78x = 3,997,344.79 × 2,312,686.09 - Step 4: Simplify right side
2,671,281.78x = 9,244,603,692,766.97 - Step 5: Solve for x
x = 9,244,603,692,766.97/2,671,281.78 - Step 6: Final answer
x = 3,460,737.00
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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.