Finding the Fourth Proportional to 2,108,885.68, 3,163,829.10 and 688,939.48
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Solution
The fourth proportional to 2,108,885.68, 3,163,829.10 and 688,939.48 is: 1,033,572.75
Step by Step Solution
- Step 1: Write the proportion equation
2,108,885.68 : 3,163,829.10 = 688,939.48 : x - Step 2: Convert to fraction form
2,108,885.68/3,163,829.10 = 688,939.48/x - Step 3: Cross multiply
2,108,885.68x = 3,163,829.10 × 688,939.48 - Step 4: Simplify right side
2,108,885.68x = 2,179,686,774,962.87 - Step 5: Solve for x
x = 2,179,686,774,962.87/2,108,885.68 - Step 6: Final answer
x = 1,033,572.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.