Finding the Fourth Proportional to 1,497,275.84, 2,066,285.76 and 818,223.68
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Solution
The fourth proportional to 1,497,275.84, 2,066,285.76 and 818,223.68 is: 1,129,173.32
Step by Step Solution
- Step 1: Write the proportion equation
1,497,275.84 : 2,066,285.76 = 818,223.68 : x - Step 2: Convert to fraction form
1,497,275.84/2,066,285.76 = 818,223.68/x - Step 3: Cross multiply
1,497,275.84x = 2,066,285.76 × 818,223.68 - Step 4: Simplify right side
1,497,275.84x = 1,690,683,938,478.80 - Step 5: Solve for x
x = 1,690,683,938,478.80/1,497,275.84 - Step 6: Final answer
x = 1,129,173.32
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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.