Finding the Fourth Proportional to 5,730,352.68, 7,903,840.32 and 4,864,956.60
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Solution
The fourth proportional to 5,730,352.68, 7,903,840.32 and 4,864,956.60 is: 6,710,204.81
Step by Step Solution
- Step 1: Write the proportion equation
5,730,352.68 : 7,903,840.32 = 4,864,956.60 : x - Step 2: Convert to fraction form
5,730,352.68/7,903,840.32 = 4,864,956.60/x - Step 3: Cross multiply
5,730,352.68x = 7,903,840.32 × 4,864,956.60 - Step 4: Simplify right side
5,730,352.68x = 38,451,840,130,130.11 - Step 5: Solve for x
x = 38,451,840,130,130.11/5,730,352.68 - Step 6: Final answer
x = 6,710,204.81
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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.