Finding the Fourth Proportional to 1,772,898.06, 2,642,482.05 and 1,671,997.98
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Solution
The fourth proportional to 1,772,898.06, 2,642,482.05 and 1,671,997.98 is: 2,492,091.76
Step by Step Solution
- Step 1: Write the proportion equation
1,772,898.06 : 2,642,482.05 = 1,671,997.98 : x - Step 2: Convert to fraction form
1,772,898.06/2,642,482.05 = 1,671,997.98/x - Step 3: Cross multiply
1,772,898.06x = 2,642,482.05 × 1,671,997.98 - Step 4: Simplify right side
1,772,898.06x = 4,418,224,649,786.26 - Step 5: Solve for x
x = 4,418,224,649,786.26/1,772,898.06 - Step 6: Final answer
x = 2,492,091.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.