Finding the Fourth Proportional to 1,572,389.98, 2,358,708.09 and 561,730.30
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Solution
The fourth proportional to 1,572,389.98, 2,358,708.09 and 561,730.30 is: 842,639.43
Step by Step Solution
- Step 1: Write the proportion equation
1,572,389.98 : 2,358,708.09 = 561,730.30 : x - Step 2: Convert to fraction form
1,572,389.98/2,358,708.09 = 561,730.30/x - Step 3: Cross multiply
1,572,389.98x = 2,358,708.09 × 561,730.30 - Step 4: Simplify right side
1,572,389.98x = 1,324,957,803,008.13 - Step 5: Solve for x
x = 1,324,957,803,008.13/1,572,389.98 - Step 6: Final answer
x = 842,639.43
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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.