Finding the Fourth Proportional to 2,378,994.29, 3,283,015.40 and 1,291,266.06
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Solution
The fourth proportional to 2,378,994.29, 3,283,015.40 and 1,291,266.06 is: 1,781,948.94
Step by Step Solution
- Step 1: Write the proportion equation
2,378,994.29 : 3,283,015.40 = 1,291,266.06 : x - Step 2: Convert to fraction form
2,378,994.29/3,283,015.40 = 1,291,266.06/x - Step 3: Cross multiply
2,378,994.29x = 3,283,015.40 × 1,291,266.06 - Step 4: Simplify right side
2,378,994.29x = 4,239,246,354,020.99 - Step 5: Solve for x
x = 4,239,246,354,020.99/2,378,994.29 - Step 6: Final answer
x = 1,781,948.94
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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.