Home / 1,913,549.76-2,640,686.40-1,054,090.08

Finding the Fourth Proportional to 1,913,549.76, 2,640,686.40 and 1,054,090.08

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Solution

The fourth proportional to 1,913,549.76, 2,640,686.40 and 1,054,090.08 is: 1,454,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,549.76 : 2,640,686.40 = 1,054,090.08 : x
  2. Step 2: Convert to fraction form
    1,913,549.76/2,640,686.40 = 1,054,090.08/x
  3. Step 3: Cross multiply
    1,913,549.76x = 2,640,686.40 × 1,054,090.08
  4. Step 4: Simplify right side
    1,913,549.76x = 2,783,521,338,630.91
  5. Step 5: Solve for x
    x = 2,783,521,338,630.91/1,913,549.76
  6. Step 6: Final answer
    x = 1,454,637.55

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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.