Finding the Fourth Proportional to 1,934,275.52, 2,669,545.68 and 1,170,335.36
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Solution
The fourth proportional to 1,934,275.52, 2,669,545.68 and 1,170,335.36 is: 1,615,211.31
Step by Step Solution
- Step 1: Write the proportion equation
1,934,275.52 : 2,669,545.68 = 1,170,335.36 : x - Step 2: Convert to fraction form
1,934,275.52/2,669,545.68 = 1,170,335.36/x - Step 3: Cross multiply
1,934,275.52x = 2,669,545.68 × 1,170,335.36 - Step 4: Simplify right side
1,934,275.52x = 3,124,263,704,439.25 - Step 5: Solve for x
x = 3,124,263,704,439.25/1,934,275.52 - Step 6: Final answer
x = 1,615,211.31
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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.