Home / 1,712,623.80-2,358,626.94-1,675,430.22

Finding the Fourth Proportional to 1,712,623.80, 2,358,626.94 and 1,675,430.22

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Solution

The fourth proportional to 1,712,623.80, 2,358,626.94 and 1,675,430.22 is: 2,307,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,623.80 : 2,358,626.94 = 1,675,430.22 : x
  2. Step 2: Convert to fraction form
    1,712,623.80/2,358,626.94 = 1,675,430.22/x
  3. Step 3: Cross multiply
    1,712,623.80x = 2,358,626.94 × 1,675,430.22
  4. Step 4: Simplify right side
    1,712,623.80x = 3,951,714,852,982.13
  5. Step 5: Solve for x
    x = 3,951,714,852,982.13/1,712,623.80
  6. Step 6: Final answer
    x = 2,307,403.91

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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.