Finding the Fourth Proportional to 1,539,502.99, 2,124,477.43 and 860,502.67
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Solution
The fourth proportional to 1,539,502.99, 2,124,477.43 and 860,502.67 is: 1,187,473.17
Step by Step Solution
- Step 1: Write the proportion equation
1,539,502.99 : 2,124,477.43 = 860,502.67 : x - Step 2: Convert to fraction form
1,539,502.99/2,124,477.43 = 860,502.67/x - Step 3: Cross multiply
1,539,502.99x = 2,124,477.43 × 860,502.67 - Step 4: Simplify right side
1,539,502.99x = 1,828,118,500,869.74 - Step 5: Solve for x
x = 1,828,118,500,869.74/1,539,502.99 - Step 6: Final answer
x = 1,187,473.17
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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.