Finding the Fourth Proportional to 4,878,734.43, 7,318,117.71 and 1,235,462.31
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Solution
The fourth proportional to 4,878,734.43, 7,318,117.71 and 1,235,462.31 is: 1,853,197.53
Step by Step Solution
- Step 1: Write the proportion equation
4,878,734.43 : 7,318,117.71 = 1,235,462.31 : x - Step 2: Convert to fraction form
4,878,734.43/7,318,117.71 = 1,235,462.31/x - Step 3: Cross multiply
4,878,734.43x = 7,318,117.71 × 1,235,462.31 - Step 4: Simplify right side
4,878,734.43x = 9,041,258,610,848.51 - Step 5: Solve for x
x = 9,041,258,610,848.51/4,878,734.43 - Step 6: Final answer
x = 1,853,197.53
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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.