Home / 4,705,430.80-7,058,000.40-1,339,637.80

Finding the Fourth Proportional to 4,705,430.80, 7,058,000.40 and 1,339,637.80

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Solution

The fourth proportional to 4,705,430.80, 7,058,000.40 and 1,339,637.80 is: 2,009,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705,430.80 : 7,058,000.40 = 1,339,637.80 : x
  2. Step 2: Convert to fraction form
    4,705,430.80/7,058,000.40 = 1,339,637.80/x
  3. Step 3: Cross multiply
    4,705,430.80x = 7,058,000.40 × 1,339,637.80
  4. Step 4: Simplify right side
    4,705,430.80x = 9,455,164,128,255.12
  5. Step 5: Solve for x
    x = 9,455,164,128,255.12/4,705,430.80
  6. Step 6: Final answer
    x = 2,009,415.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.