Home / 6,897,879.56-9,518,618.31-4,142,929.93

Finding the Fourth Proportional to 6,897,879.56, 9,518,618.31 and 4,142,929.93

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Solution

The fourth proportional to 6,897,879.56, 9,518,618.31 and 4,142,929.93 is: 5,716,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,879.56 : 9,518,618.31 = 4,142,929.93 : x
  2. Step 2: Convert to fraction form
    6,897,879.56/9,518,618.31 = 4,142,929.93/x
  3. Step 3: Cross multiply
    6,897,879.56x = 9,518,618.31 × 4,142,929.93
  4. Step 4: Simplify right side
    6,897,879.56x = 39,434,968,702,954.71
  5. Step 5: Solve for x
    x = 39,434,968,702,954.71/6,897,879.56
  6. Step 6: Final answer
    x = 5,716,969.74

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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.