Finding the Fourth Proportional to 1,890,746.08, 2,609,237.80 and 1,031,324.80
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Solution
The fourth proportional to 1,890,746.08, 2,609,237.80 and 1,031,324.80 is: 1,423,232.70
Step by Step Solution
- Step 1: Write the proportion equation
1,890,746.08 : 2,609,237.80 = 1,031,324.80 : x - Step 2: Convert to fraction form
1,890,746.08/2,609,237.80 = 1,031,324.80/x - Step 3: Cross multiply
1,890,746.08x = 2,609,237.80 × 1,031,324.80 - Step 4: Simplify right side
1,890,746.08x = 2,690,971,652,237.44 - Step 5: Solve for x
x = 2,690,971,652,237.44/1,890,746.08 - Step 6: Final answer
x = 1,423,232.70
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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.