Finding the Fourth Proportional to 4,280,869.68, 6,420,620.98 and 1,247,526.01
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Solution
The fourth proportional to 4,280,869.68, 6,420,620.98 and 1,247,526.01 is: 1,871,089.82
Step by Step Solution
- Step 1: Write the proportion equation
4,280,869.68 : 6,420,620.98 = 1,247,526.01 : x - Step 2: Convert to fraction form
4,280,869.68/6,420,620.98 = 1,247,526.01/x - Step 3: Cross multiply
4,280,869.68x = 6,420,620.98 × 1,247,526.01 - Step 4: Simplify right side
4,280,869.68x = 8,009,891,679,694.14 - Step 5: Solve for x
x = 8,009,891,679,694.14/4,280,869.68 - Step 6: Final answer
x = 1,871,089.82
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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.