Finding the Fourth Proportional to 1,816,395.36, 2,506,184.16 and 1,196,136.48
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Solution
The fourth proportional to 1,816,395.36, 2,506,184.16 and 1,196,136.48 is: 1,650,377.65
Step by Step Solution
- Step 1: Write the proportion equation
1,816,395.36 : 2,506,184.16 = 1,196,136.48 : x - Step 2: Convert to fraction form
1,816,395.36/2,506,184.16 = 1,196,136.48/x - Step 3: Cross multiply
1,816,395.36x = 2,506,184.16 × 1,196,136.48 - Step 4: Simplify right side
1,816,395.36x = 2,997,738,299,374.16 - Step 5: Solve for x
x = 2,997,738,299,374.16/1,816,395.36 - Step 6: Final answer
x = 1,650,377.65
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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.