Finding the Fourth Proportional to 1,953,729.84, 2,697,463.77 and 1,219,802.71
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Solution
The fourth proportional to 1,953,729.84, 2,697,463.77 and 1,219,802.71 is: 1,684,149.75
Step by Step Solution
- Step 1: Write the proportion equation
1,953,729.84 : 2,697,463.77 = 1,219,802.71 : x - Step 2: Convert to fraction form
1,953,729.84/2,697,463.77 = 1,219,802.71/x - Step 3: Cross multiply
1,953,729.84x = 2,697,463.77 × 1,219,802.71 - Step 4: Simplify right side
1,953,729.84x = 3,290,373,610,673.80 - Step 5: Solve for x
x = 3,290,373,610,673.80/1,953,729.84 - Step 6: Final answer
x = 1,684,149.75
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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.