Finding the Fourth Proportional to 2,378,460.24, 3,282,277.14 and 1,290,731.76
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Solution
The fourth proportional to 2,378,460.24, 3,282,277.14 and 1,290,731.76 is: 1,781,210.92
Step by Step Solution
- Step 1: Write the proportion equation
2,378,460.24 : 3,282,277.14 = 1,290,731.76 : x - Step 2: Convert to fraction form
2,378,460.24/3,282,277.14 = 1,290,731.76/x - Step 3: Cross multiply
2,378,460.24x = 3,282,277.14 × 1,290,731.76 - Step 4: Simplify right side
2,378,460.24x = 4,236,539,349,719.97 - Step 5: Solve for x
x = 4,236,539,349,719.97/2,378,460.24 - Step 6: Final answer
x = 1,781,210.92
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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.