Finding the Fourth Proportional to 2,484,378.60, 3,428,448.14 and 1,396,659.12
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Solution
The fourth proportional to 2,484,378.60, 3,428,448.14 and 1,396,659.12 is: 1,927,392.77
Step by Step Solution
- Step 1: Write the proportion equation
2,484,378.60 : 3,428,448.14 = 1,396,659.12 : x - Step 2: Convert to fraction form
2,484,378.60/3,428,448.14 = 1,396,659.12/x - Step 3: Cross multiply
2,484,378.60x = 3,428,448.14 × 1,396,659.12 - Step 4: Simplify right side
2,484,378.60x = 4,788,373,362,178.04 - Step 5: Solve for x
x = 4,788,373,362,178.04/2,484,378.60 - Step 6: Final answer
x = 1,927,392.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.