Finding the Fourth Proportional to 1,680,827.73, 2,319,539.52 and 916,881.30
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Solution
The fourth proportional to 1,680,827.73, 2,319,539.52 and 916,881.30 is: 1,265,294.70
Step by Step Solution
- Step 1: Write the proportion equation
1,680,827.73 : 2,319,539.52 = 916,881.30 : x - Step 2: Convert to fraction form
1,680,827.73/2,319,539.52 = 916,881.30/x - Step 3: Cross multiply
1,680,827.73x = 2,319,539.52 × 916,881.30 - Step 4: Simplify right side
1,680,827.73x = 2,126,742,410,498.98 - Step 5: Solve for x
x = 2,126,742,410,498.98/1,680,827.73 - Step 6: Final answer
x = 1,265,294.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.