Finding the Fourth Proportional to 3,464,970.49, 4,781,691.08 and 1,916,152.12
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Solution
The fourth proportional to 3,464,970.49, 4,781,691.08 and 1,916,152.12 is: 2,644,307.51
Step by Step Solution
- Step 1: Write the proportion equation
3,464,970.49 : 4,781,691.08 = 1,916,152.12 : x - Step 2: Convert to fraction form
3,464,970.49/4,781,691.08 = 1,916,152.12/x - Step 3: Cross multiply
3,464,970.49x = 4,781,691.08 × 1,916,152.12 - Step 4: Simplify right side
3,464,970.49x = 9,162,447,500,127.09 - Step 5: Solve for x
x = 9,162,447,500,127.09/3,464,970.49 - Step 6: Final answer
x = 2,644,307.51
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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.