Finding the Fourth Proportional to 1,457,992.20, 2,186,988.30 and 1,369,345.80
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Solution
The fourth proportional to 1,457,992.20, 2,186,988.30 and 1,369,345.80 is: 2,054,018.70
Step by Step Solution
- Step 1: Write the proportion equation
1,457,992.20 : 2,186,988.30 = 1,369,345.80 : x - Step 2: Convert to fraction form
1,457,992.20/2,186,988.30 = 1,369,345.80/x - Step 3: Cross multiply
1,457,992.20x = 2,186,988.30 × 1,369,345.80 - Step 4: Simplify right side
1,457,992.20x = 2,994,743,243,254.14 - Step 5: Solve for x
x = 2,994,743,243,254.14/1,457,992.20 - Step 6: Final answer
x = 2,054,018.70
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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.