Home / 1,525,178.18-2,102,830.86-1,116,570.64

Finding the Fourth Proportional to 1,525,178.18, 2,102,830.86 and 1,116,570.64

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Solution

The fourth proportional to 1,525,178.18, 2,102,830.86 and 1,116,570.64 is: 1,539,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,178.18 : 2,102,830.86 = 1,116,570.64 : x
  2. Step 2: Convert to fraction form
    1,525,178.18/2,102,830.86 = 1,116,570.64/x
  3. Step 3: Cross multiply
    1,525,178.18x = 2,102,830.86 × 1,116,570.64
  4. Step 4: Simplify right side
    1,525,178.18x = 2,347,959,199,161.95
  5. Step 5: Solve for x
    x = 2,347,959,199,161.95/1,525,178.18
  6. Step 6: Final answer
    x = 1,539,465.51

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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.