Finding the Fourth Proportional to 1,560,354.90, 2,153,356.26 and 872,026.74
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Solution
The fourth proportional to 1,560,354.90, 2,153,356.26 and 872,026.74 is: 1,203,434.06
Step by Step Solution
- Step 1: Write the proportion equation
1,560,354.90 : 2,153,356.26 = 872,026.74 : x - Step 2: Convert to fraction form
1,560,354.90/2,153,356.26 = 872,026.74/x - Step 3: Cross multiply
1,560,354.90x = 2,153,356.26 × 872,026.74 - Step 4: Simplify right side
1,560,354.90x = 1,877,784,224,339.48 - Step 5: Solve for x
x = 1,877,784,224,339.48/1,560,354.90 - Step 6: Final answer
x = 1,203,434.06
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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.