Finding the Fourth Proportional to 1,463,887.60, 2,020,164.66 and 819,307.76
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Solution
The fourth proportional to 1,463,887.60, 2,020,164.66 and 819,307.76 is: 1,130,644.58
Step by Step Solution
- Step 1: Write the proportion equation
1,463,887.60 : 2,020,164.66 = 819,307.76 : x - Step 2: Convert to fraction form
1,463,887.60/2,020,164.66 = 819,307.76/x - Step 3: Cross multiply
1,463,887.60x = 2,020,164.66 × 819,307.76 - Step 4: Simplify right side
1,463,887.60x = 1,655,136,582,415.76 - Step 5: Solve for x
x = 1,655,136,582,415.76/1,463,887.60 - Step 6: Final answer
x = 1,130,644.58
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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.