Finding the Fourth Proportional to 1,542,590.34, 2,128,897.53 and 1,136,547.06
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Solution
The fourth proportional to 1,542,590.34, 2,128,897.53 and 1,136,547.06 is: 1,568,525.46
Step by Step Solution
- Step 1: Write the proportion equation
1,542,590.34 : 2,128,897.53 = 1,136,547.06 : x - Step 2: Convert to fraction form
1,542,590.34/2,128,897.53 = 1,136,547.06/x - Step 3: Cross multiply
1,542,590.34x = 2,128,897.53 × 1,136,547.06 - Step 4: Simplify right side
1,542,590.34x = 2,419,592,228,762.76 - Step 5: Solve for x
x = 2,419,592,228,762.76/1,542,590.34 - Step 6: Final answer
x = 1,568,525.46
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1.5x scale
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.