Finding the Fourth Proportional to 1,788,070.95, 2,467,502.80 and 972,267.71
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Solution
The fourth proportional to 1,788,070.95, 2,467,502.80 and 972,267.71 is: 1,341,710.34
Step by Step Solution
- Step 1: Write the proportion equation
1,788,070.95 : 2,467,502.80 = 972,267.71 : x - Step 2: Convert to fraction form
1,788,070.95/2,467,502.80 = 972,267.71/x - Step 3: Cross multiply
1,788,070.95x = 2,467,502.80 × 972,267.71 - Step 4: Simplify right side
1,788,070.95x = 2,399,073,282,006.40 - Step 5: Solve for x
x = 2,399,073,282,006.40/1,788,070.95 - Step 6: Final answer
x = 1,341,710.34
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1.5x scale
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.