Finding the Fourth Proportional to 3,135,399.84, 4,326,994.08 and 1,846,294.56
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Solution
The fourth proportional to 3,135,399.84, 4,326,994.08 and 1,846,294.56 is: 2,547,970.29
Step by Step Solution
- Step 1: Write the proportion equation
3,135,399.84 : 4,326,994.08 = 1,846,294.56 : x - Step 2: Convert to fraction form
3,135,399.84/4,326,994.08 = 1,846,294.56/x - Step 3: Cross multiply
3,135,399.84x = 4,326,994.08 × 1,846,294.56 - Step 4: Simplify right side
3,135,399.84x = 7,988,905,631,056.21 - Step 5: Solve for x
x = 7,988,905,631,056.21/3,135,399.84 - Step 6: Final answer
x = 2,547,970.29
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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.