Home / 1,989,911.08-2,746,086.56-1,130,518.50

Finding the Fourth Proportional to 1,989,911.08, 2,746,086.56 and 1,130,518.50

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Solution

The fourth proportional to 1,989,911.08, 2,746,086.56 and 1,130,518.50 is: 1,560,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,911.08 : 2,746,086.56 = 1,130,518.50 : x
  2. Step 2: Convert to fraction form
    1,989,911.08/2,746,086.56 = 1,130,518.50/x
  3. Step 3: Cross multiply
    1,989,911.08x = 2,746,086.56 × 1,130,518.50
  4. Step 4: Simplify right side
    1,989,911.08x = 3,104,501,658,681.36
  5. Step 5: Solve for x
    x = 3,104,501,658,681.36/1,989,911.08
  6. Step 6: Final answer
    x = 1,560,120.80

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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.