Finding the Fourth Proportional to 3,197,726.09, 4,412,852.98 and 1,747,430.71
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Solution
The fourth proportional to 3,197,726.09, 4,412,852.98 and 1,747,430.71 is: 2,411,449.45
Step by Step Solution
- Step 1: Write the proportion equation
3,197,726.09 : 4,412,852.98 = 1,747,430.71 : x - Step 2: Convert to fraction form
3,197,726.09/4,412,852.98 = 1,747,430.71/x - Step 3: Cross multiply
3,197,726.09x = 4,412,852.98 × 1,747,430.71 - Step 4: Simplify right side
3,197,726.09x = 7,711,154,815,967.02 - Step 5: Solve for x
x = 7,711,154,815,967.02/3,197,726.09 - Step 6: Final answer
x = 2,411,449.45
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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.