Finding the Fourth Proportional to 1,621,393.24, 2,237,426.48 and 896,197.71
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Solution
The fourth proportional to 1,621,393.24, 2,237,426.48 and 896,197.71 is: 1,236,699.67
Step by Step Solution
- Step 1: Write the proportion equation
1,621,393.24 : 2,237,426.48 = 896,197.71 : x - Step 2: Convert to fraction form
1,621,393.24/2,237,426.48 = 896,197.71/x - Step 3: Cross multiply
1,621,393.24x = 2,237,426.48 × 896,197.71 - Step 4: Simplify right side
1,621,393.24x = 2,005,176,487,669.36 - Step 5: Solve for x
x = 2,005,176,487,669.36/1,621,393.24 - Step 6: Final answer
x = 1,236,699.67
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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.