Finding the Fourth Proportional to 1,513,352.27, 2,264,421.18 and 1,212,921.65
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Solution
The fourth proportional to 1,513,352.27, 2,264,421.18 and 1,212,921.65 is: 1,814,888.40
Step by Step Solution
- Step 1: Write the proportion equation
1,513,352.27 : 2,264,421.18 = 1,212,921.65 : x - Step 2: Convert to fraction form
1,513,352.27/2,264,421.18 = 1,212,921.65/x - Step 3: Cross multiply
1,513,352.27x = 2,264,421.18 × 1,212,921.65 - Step 4: Simplify right side
1,513,352.27x = 2,746,565,473,940.55 - Step 5: Solve for x
x = 2,746,565,473,940.55/1,513,352.27 - Step 6: Final answer
x = 1,814,888.40
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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.