Finding the Fourth Proportional to 1,779,457.12, 2,455,637.99 and 963,641.88
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Solution
The fourth proportional to 1,779,457.12, 2,455,637.99 and 963,641.88 is: 1,329,818.84
Step by Step Solution
- Step 1: Write the proportion equation
1,779,457.12 : 2,455,637.99 = 963,641.88 : x - Step 2: Convert to fraction form
1,779,457.12/2,455,637.99 = 963,641.88/x - Step 3: Cross multiply
1,779,457.12x = 2,455,637.99 × 963,641.88 - Step 4: Simplify right side
1,779,457.12x = 2,366,355,609,283.02 - Step 5: Solve for x
x = 2,366,355,609,283.02/1,779,457.12 - Step 6: Final answer
x = 1,329,818.84
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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.