Finding the Fourth Proportional to 1,878,953.56, 2,818,781.46 and 854,359.09
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Solution
The fourth proportional to 1,878,953.56, 2,818,781.46 and 854,359.09 is: 1,281,698.29
Step by Step Solution
- Step 1: Write the proportion equation
1,878,953.56 : 2,818,781.46 = 854,359.09 : x - Step 2: Convert to fraction form
1,878,953.56/2,818,781.46 = 854,359.09/x - Step 3: Cross multiply
1,878,953.56x = 2,818,781.46 × 854,359.09 - Step 4: Simplify right side
1,878,953.56x = 2,408,251,563,074.47 - Step 5: Solve for x
x = 2,408,251,563,074.47/1,878,953.56 - Step 6: Final answer
x = 1,281,698.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.