Finding the Fourth Proportional to 1,531,356.88, 2,113,235.20 and 843,023.14
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Solution
The fourth proportional to 1,531,356.88, 2,113,235.20 and 843,023.14 is: 1,163,351.40
Step by Step Solution
- Step 1: Write the proportion equation
1,531,356.88 : 2,113,235.20 = 843,023.14 : x - Step 2: Convert to fraction form
1,531,356.88/2,113,235.20 = 843,023.14/x - Step 3: Cross multiply
1,531,356.88x = 2,113,235.20 × 843,023.14 - Step 4: Simplify right side
1,531,356.88x = 1,781,506,173,862.53 - Step 5: Solve for x
x = 1,781,506,173,862.53/1,531,356.88 - Step 6: Final answer
x = 1,163,351.40
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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.