Finding the Fourth Proportional to 4,731,165.05, 7,096,746.76 and 1,136,931.94
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Solution
The fourth proportional to 4,731,165.05, 7,096,746.76 and 1,136,931.94 is: 1,705,397.71
Step by Step Solution
- Step 1: Write the proportion equation
4,731,165.05 : 7,096,746.76 = 1,136,931.94 : x - Step 2: Convert to fraction form
4,731,165.05/7,096,746.76 = 1,136,931.94/x - Step 3: Cross multiply
4,731,165.05x = 7,096,746.76 × 1,136,931.94 - Step 4: Simplify right side
4,731,165.05x = 8,068,518,061,535.51 - Step 5: Solve for x
x = 8,068,518,061,535.51/4,731,165.05 - Step 6: Final answer
x = 1,705,397.71
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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.