Finding the Fourth Proportional to 1,708,420.53, 2,358,214.08 and 983,557.17
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Solution
The fourth proportional to 1,708,420.53, 2,358,214.08 and 983,557.17 is: 1,357,650.72
Step by Step Solution
- Step 1: Write the proportion equation
1,708,420.53 : 2,358,214.08 = 983,557.17 : x - Step 2: Convert to fraction form
1,708,420.53/2,358,214.08 = 983,557.17/x - Step 3: Cross multiply
1,708,420.53x = 2,358,214.08 × 983,557.17 - Step 4: Simplify right side
1,708,420.53x = 2,319,438,366,778.95 - Step 5: Solve for x
x = 2,319,438,366,778.95/1,708,420.53 - Step 6: Final answer
x = 1,357,650.72
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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.