Home / 2,148,307.10-2,964,595.94-1,181,434.40

Finding the Fourth Proportional to 2,148,307.10, 2,964,595.94 and 1,181,434.40

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Solution

The fourth proportional to 2,148,307.10, 2,964,595.94 and 1,181,434.40 is: 1,630,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,307.10 : 2,964,595.94 = 1,181,434.40 : x
  2. Step 2: Convert to fraction form
    2,148,307.10/2,964,595.94 = 1,181,434.40/x
  3. Step 3: Cross multiply
    2,148,307.10x = 2,964,595.94 × 1,181,434.40
  4. Step 4: Simplify right side
    2,148,307.10x = 3,502,475,625,616.34
  5. Step 5: Solve for x
    x = 3,502,475,625,616.34/2,148,307.10
  6. Step 6: Final answer
    x = 1,630,342.15

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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.