Finding the Fourth Proportional to 1,547,810.16, 2,136,779.64 and 1,202,875.44
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Solution
The fourth proportional to 1,547,810.16, 2,136,779.64 and 1,202,875.44 is: 1,660,591.08
Step by Step Solution
- Step 1: Write the proportion equation
1,547,810.16 : 2,136,779.64 = 1,202,875.44 : x - Step 2: Convert to fraction form
1,547,810.16/2,136,779.64 = 1,202,875.44/x - Step 3: Cross multiply
1,547,810.16x = 2,136,779.64 × 1,202,875.44 - Step 4: Simplify right side
1,547,810.16x = 2,570,279,749,648.04 - Step 5: Solve for x
x = 2,570,279,749,648.04/1,547,810.16 - Step 6: Final answer
x = 1,660,591.08
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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.