Finding the Fourth Proportional to 4,829,927.40, 6,665,459.60 and 2,654,547.66
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Solution
The fourth proportional to 4,829,927.40, 6,665,459.60 and 2,654,547.66 is: 3,663,363.59
Step by Step Solution
- Step 1: Write the proportion equation
4,829,927.40 : 6,665,459.60 = 2,654,547.66 : x - Step 2: Convert to fraction form
4,829,927.40/6,665,459.60 = 2,654,547.66/x - Step 3: Cross multiply
4,829,927.40x = 6,665,459.60 × 2,654,547.66 - Step 4: Simplify right side
4,829,927.40x = 17,693,780,184,004.54 - Step 5: Solve for x
x = 17,693,780,184,004.54/4,829,927.40 - Step 6: Final answer
x = 3,663,363.59
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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.