Finding the Fourth Proportional to 2,138,043.60, 2,948,078.43 and 1,362,637.08
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Solution
The fourth proportional to 2,138,043.60, 2,948,078.43 and 1,362,637.08 is: 1,878,895.73
Step by Step Solution
- Step 1: Write the proportion equation
2,138,043.60 : 2,948,078.43 = 1,362,637.08 : x - Step 2: Convert to fraction form
2,138,043.60/2,948,078.43 = 1,362,637.08/x - Step 3: Cross multiply
2,138,043.60x = 2,948,078.43 × 1,362,637.08 - Step 4: Simplify right side
2,138,043.60x = 4,017,160,983,466.19 - Step 5: Solve for x
x = 4,017,160,983,466.19/2,138,043.60 - Step 6: Final answer
x = 1,878,895.73
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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.