Finding the Fourth Proportional to 1,506,211.65, 2,255,460.15 and 831,544.02
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Solution
The fourth proportional to 1,506,211.65, 2,255,460.15 and 831,544.02 is: 1,245,186.49
Step by Step Solution
- Step 1: Write the proportion equation
1,506,211.65 : 2,255,460.15 = 831,544.02 : x - Step 2: Convert to fraction form
1,506,211.65/2,255,460.15 = 831,544.02/x - Step 3: Cross multiply
1,506,211.65x = 2,255,460.15 × 831,544.02 - Step 4: Simplify right side
1,506,211.65x = 1,875,514,400,080.80 - Step 5: Solve for x
x = 1,875,514,400,080.80/1,506,211.65 - Step 6: Final answer
x = 1,245,186.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.