Finding the Fourth Proportional to 2,697,931.68, 3,721,516.29 and 1,779,834.48
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Solution
The fourth proportional to 2,697,931.68, 3,721,516.29 and 1,779,834.48 is: 2,455,096.64
Step by Step Solution
- Step 1: Write the proportion equation
2,697,931.68 : 3,721,516.29 = 1,779,834.48 : x - Step 2: Convert to fraction form
2,697,931.68/3,721,516.29 = 1,779,834.48/x - Step 3: Cross multiply
2,697,931.68x = 3,721,516.29 × 1,779,834.48 - Step 4: Simplify right side
2,697,931.68x = 6,623,683,010,823.68 - Step 5: Solve for x
x = 6,623,683,010,823.68/2,697,931.68 - Step 6: Final answer
x = 2,455,096.64
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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.