Home / 2,174,152.86-3,000,521.07-1,207,472.13

Finding the Fourth Proportional to 2,174,152.86, 3,000,521.07 and 1,207,472.13

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Solution

The fourth proportional to 2,174,152.86, 3,000,521.07 and 1,207,472.13 is: 1,666,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,152.86 : 3,000,521.07 = 1,207,472.13 : x
  2. Step 2: Convert to fraction form
    2,174,152.86/3,000,521.07 = 1,207,472.13/x
  3. Step 3: Cross multiply
    2,174,152.86x = 3,000,521.07 × 1,207,472.13
  4. Step 4: Simplify right side
    2,174,152.86x = 3,623,045,567,502.78
  5. Step 5: Solve for x
    x = 3,623,045,567,502.78/2,174,152.86
  6. Step 6: Final answer
    x = 1,666,417.13

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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.