Home / 4,695,640-7,044,470.40-1,457,113.12

Finding the Fourth Proportional to 4,695,640, 7,044,470.40 and 1,457,113.12

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Solution

The fourth proportional to 4,695,640, 7,044,470.40 and 1,457,113.12 is: 2,185,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695,640 : 7,044,470.40 = 1,457,113.12 : x
  2. Step 2: Convert to fraction form
    4,695,640/7,044,470.40 = 1,457,113.12/x
  3. Step 3: Cross multiply
    4,695,640x = 7,044,470.40 × 1,457,113.12
  4. Step 4: Simplify right side
    4,695,640x = 10,264,590,243,291.65
  5. Step 5: Solve for x
    x = 10,264,590,243,291.65/4,695,640
  6. Step 6: Final answer
    x = 2,185,983.22

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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.