Finding the Fourth Proportional to 1,500,541.36, 2,070,746.82 and 812,213.08
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Solution
The fourth proportional to 1,500,541.36, 2,070,746.82 and 812,213.08 is: 1,120,853.91
Step by Step Solution
- Step 1: Write the proportion equation
1,500,541.36 : 2,070,746.82 = 812,213.08 : x - Step 2: Convert to fraction form
1,500,541.36/2,070,746.82 = 812,213.08/x - Step 3: Cross multiply
1,500,541.36x = 2,070,746.82 × 812,213.08 - Step 4: Simplify right side
1,500,541.36x = 1,681,887,652,572.41 - Step 5: Solve for x
x = 1,681,887,652,572.41/1,500,541.36 - Step 6: Final answer
x = 1,120,853.91
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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.