Finding the Fourth Proportional to 1,587,808.17, 2,381,708.61 and 689,133.42
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Solution
The fourth proportional to 1,587,808.17, 2,381,708.61 and 689,133.42 is: 1,033,698.55
Step by Step Solution
- Step 1: Write the proportion equation
1,587,808.17 : 2,381,708.61 = 689,133.42 : x - Step 2: Convert to fraction form
1,587,808.17/2,381,708.61 = 689,133.42/x - Step 3: Cross multiply
1,587,808.17x = 2,381,708.61 × 689,133.42 - Step 4: Simplify right side
1,587,808.17x = 1,641,314,999,852.75 - Step 5: Solve for x
x = 1,641,314,999,852.75/1,587,808.17 - Step 6: Final answer
x = 1,033,698.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.