Finding the Fourth Proportional to 1,977,970.84, 2,966,179.88 and 698,305.21
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Solution
The fourth proportional to 1,977,970.84, 2,966,179.88 and 698,305.21 is: 1,047,183.72
Step by Step Solution
- Step 1: Write the proportion equation
1,977,970.84 : 2,966,179.88 = 698,305.21 : x - Step 2: Convert to fraction form
1,977,970.84/2,966,179.88 = 698,305.21/x - Step 3: Cross multiply
1,977,970.84x = 2,966,179.88 × 698,305.21 - Step 4: Simplify right side
1,977,970.84x = 2,071,298,858,331.49 - Step 5: Solve for x
x = 2,071,298,858,331.49/1,977,970.84 - Step 6: Final answer
x = 1,047,183.72
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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.