Finding the Fourth Proportional to 1,563,718.24, 2,157,916.56 and 884,654.74
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Solution
The fourth proportional to 1,563,718.24, 2,157,916.56 and 884,654.74 is: 1,220,815.28
Step by Step Solution
- Step 1: Write the proportion equation
1,563,718.24 : 2,157,916.56 = 884,654.74 : x - Step 2: Convert to fraction form
1,563,718.24/2,157,916.56 = 884,654.74/x - Step 3: Cross multiply
1,563,718.24x = 2,157,916.56 × 884,654.74 - Step 4: Simplify right side
1,563,718.24x = 1,909,011,113,328.49 - Step 5: Solve for x
x = 1,909,011,113,328.49/1,563,718.24 - Step 6: Final answer
x = 1,220,815.28
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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.