Home / 2,077,145.80-3,115,427.10-657,345.40

Finding the Fourth Proportional to 2,077,145.80, 3,115,427.10 and 657,345.40

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Solution

The fourth proportional to 2,077,145.80, 3,115,427.10 and 657,345.40 is: 985,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,145.80 : 3,115,427.10 = 657,345.40 : x
  2. Step 2: Convert to fraction form
    2,077,145.80/3,115,427.10 = 657,345.40/x
  3. Step 3: Cross multiply
    2,077,145.80x = 3,115,427.10 × 657,345.40
  4. Step 4: Simplify right side
    2,077,145.80x = 2,047,911,673,220.34
  5. Step 5: Solve for x
    x = 2,047,911,673,220.34/2,077,145.80
  6. Step 6: Final answer
    x = 985,925.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.