Finding the Fourth Proportional to 4,895,929.80, 6,756,248.76 and 2,720,417.03
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Solution
The fourth proportional to 4,895,929.80, 6,756,248.76 and 2,720,417.03 is: 3,754,100.84
Step by Step Solution
- Step 1: Write the proportion equation
4,895,929.80 : 6,756,248.76 = 2,720,417.03 : x - Step 2: Convert to fraction form
4,895,929.80/6,756,248.76 = 2,720,417.03/x - Step 3: Cross multiply
4,895,929.80x = 6,756,248.76 × 2,720,417.03 - Step 4: Simplify right side
4,895,929.80x = 18,379,814,151,839.14 - Step 5: Solve for x
x = 18,379,814,151,839.14/4,895,929.80 - Step 6: Final answer
x = 3,754,100.84
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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.