Finding the Fourth Proportional to 4,906,248.84, 7,358,855.52 and 1,312,378.44
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Solution
The fourth proportional to 4,906,248.84, 7,358,855.52 and 1,312,378.44 is: 1,968,429.17
Step by Step Solution
- Step 1: Write the proportion equation
4,906,248.84 : 7,358,855.52 = 1,312,378.44 : x - Step 2: Convert to fraction form
4,906,248.84/7,358,855.52 = 1,312,378.44/x - Step 3: Cross multiply
4,906,248.84x = 7,358,855.52 × 1,312,378.44 - Step 4: Simplify right side
4,906,248.84x = 9,657,603,327,522.99 - Step 5: Solve for x
x = 9,657,603,327,522.99/4,906,248.84 - Step 6: Final answer
x = 1,968,429.17
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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.