Finding the Fourth Proportional to 2,107,591.84, 2,908,547.15 and 1,291,637.88
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Solution
The fourth proportional to 2,107,591.84, 2,908,547.15 and 1,291,637.88 is: 1,782,503.43
Step by Step Solution
- Step 1: Write the proportion equation
2,107,591.84 : 2,908,547.15 = 1,291,637.88 : x - Step 2: Convert to fraction form
2,107,591.84/2,908,547.15 = 1,291,637.88/x - Step 3: Cross multiply
2,107,591.84x = 2,908,547.15 × 1,291,637.88 - Step 4: Simplify right side
2,107,591.84x = 3,756,789,674,706.04 - Step 5: Solve for x
x = 3,756,789,674,706.04/2,107,591.84 - Step 6: Final answer
x = 1,782,503.43
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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.