Finding the Fourth Proportional to 1,620,254.40, 2,430,439.92 and 609,283.68
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Solution
The fourth proportional to 1,620,254.40, 2,430,439.92 and 609,283.68 is: 913,947.45
Step by Step Solution
- Step 1: Write the proportion equation
1,620,254.40 : 2,430,439.92 = 609,283.68 : x - Step 2: Convert to fraction form
1,620,254.40/2,430,439.92 = 609,283.68/x - Step 3: Cross multiply
1,620,254.40x = 2,430,439.92 × 609,283.68 - Step 4: Simplify right side
1,620,254.40x = 1,480,827,378,476.51 - Step 5: Solve for x
x = 1,480,827,378,476.51/1,620,254.40 - Step 6: Final answer
x = 913,947.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.