Finding the Fourth Proportional to 2,078,901.84, 3,118,352.34 and 782,297.88
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Solution
The fourth proportional to 2,078,901.84, 3,118,352.34 and 782,297.88 is: 1,173,446.66
Step by Step Solution
- Step 1: Write the proportion equation
2,078,901.84 : 3,118,352.34 = 782,297.88 : x - Step 2: Convert to fraction form
2,078,901.84/3,118,352.34 = 782,297.88/x - Step 3: Cross multiply
2,078,901.84x = 3,118,352.34 × 782,297.88 - Step 4: Simplify right side
2,078,901.84x = 2,439,480,424,675.04 - Step 5: Solve for x
x = 2,439,480,424,675.04/2,078,901.84 - Step 6: Final answer
x = 1,173,446.66
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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.