Finding the Fourth Proportional to 2,709,870.67, 4,064,807.85 and 688,266.19
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Solution
The fourth proportional to 2,709,870.67, 4,064,807.85 and 688,266.19 is: 1,032,399.75
Step by Step Solution
- Step 1: Write the proportion equation
2,709,870.67 : 4,064,807.85 = 688,266.19 : x - Step 2: Convert to fraction form
2,709,870.67/4,064,807.85 = 688,266.19/x - Step 3: Cross multiply
2,709,870.67x = 4,064,807.85 × 688,266.19 - Step 4: Simplify right side
2,709,870.67x = 2,797,669,812,001.59 - Step 5: Solve for x
x = 2,797,669,812,001.59/2,709,870.67 - Step 6: Final answer
x = 1,032,399.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.