Finding the Fourth Proportional to 1,637,158.84, 2,259,348.86 and 912,005.68
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Solution
The fourth proportional to 1,637,158.84, 2,259,348.86 and 912,005.68 is: 1,258,606.64
Step by Step Solution
- Step 1: Write the proportion equation
1,637,158.84 : 2,259,348.86 = 912,005.68 : x - Step 2: Convert to fraction form
1,637,158.84/2,259,348.86 = 912,005.68/x - Step 3: Cross multiply
1,637,158.84x = 2,259,348.86 × 912,005.68 - Step 4: Simplify right side
1,637,158.84x = 2,060,538,993,421.53 - Step 5: Solve for x
x = 2,060,538,993,421.53/1,637,158.84 - Step 6: Final answer
x = 1,258,606.64
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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.