Finding the Fourth Proportional to 4,130,065.28, 6,192,970.71 and 1,853,638.17
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Solution
The fourth proportional to 4,130,065.28, 6,192,970.71 and 1,853,638.17 is: 2,779,502.53
Step by Step Solution
- Step 1: Write the proportion equation
4,130,065.28 : 6,192,970.71 = 1,853,638.17 : x - Step 2: Convert to fraction form
4,130,065.28/6,192,970.71 = 1,853,638.17/x - Step 3: Cross multiply
4,130,065.28x = 6,192,970.71 × 1,853,638.17 - Step 4: Simplify right side
4,130,065.28x = 11,479,526,893,748 - Step 5: Solve for x
x = 11,479,526,893,748/4,130,065.28 - Step 6: Final answer
x = 2,779,502.53
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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.