Finding the Fourth Proportional to 3,018,656.84, 4,165,768.40 and 1,642,012.44
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Solution
The fourth proportional to 3,018,656.84, 4,165,768.40 and 1,642,012.44 is: 2,265,989.11
Step by Step Solution
- Step 1: Write the proportion equation
3,018,656.84 : 4,165,768.40 = 1,642,012.44 : x - Step 2: Convert to fraction form
3,018,656.84/4,165,768.40 = 1,642,012.44/x - Step 3: Cross multiply
3,018,656.84x = 4,165,768.40 × 1,642,012.44 - Step 4: Simplify right side
3,018,656.84x = 6,840,243,534,958.90 - Step 5: Solve for x
x = 6,840,243,534,958.90/3,018,656.84 - Step 6: Final answer
x = 2,265,989.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.