Finding the Fourth Proportional to 4,536,972.90, 6,805,283.30 and 1,125,268.02
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Solution
The fourth proportional to 4,536,972.90, 6,805,283.30 and 1,125,268.02 is: 1,687,858.37
Step by Step Solution
- Step 1: Write the proportion equation
4,536,972.90 : 6,805,283.30 = 1,125,268.02 : x - Step 2: Convert to fraction form
4,536,972.90/6,805,283.30 = 1,125,268.02/x - Step 3: Cross multiply
4,536,972.90x = 6,805,283.30 × 1,125,268.02 - Step 4: Simplify right side
4,536,972.90x = 7,657,767,664,530.07 - Step 5: Solve for x
x = 7,657,767,664,530.07/4,536,972.90 - Step 6: Final answer
x = 1,687,858.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.