Home / 1,913,618.03-2,640,941.75-1,054,332.77

Finding the Fourth Proportional to 1,913,618.03, 2,640,941.75 and 1,054,332.77

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Solution

The fourth proportional to 1,913,618.03, 2,640,941.75 and 1,054,332.77 is: 1,455,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,618.03 : 2,640,941.75 = 1,054,332.77 : x
  2. Step 2: Convert to fraction form
    1,913,618.03/2,640,941.75 = 1,054,332.77/x
  3. Step 3: Cross multiply
    1,913,618.03x = 2,640,941.75 × 1,054,332.77
  4. Step 4: Simplify right side
    1,913,618.03x = 2,784,431,420,117.27
  5. Step 5: Solve for x
    x = 2,784,431,420,117.27/1,913,618.03
  6. Step 6: Final answer
    x = 1,455,061.24

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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.