Home / 3,547,313.16-5,319,848.58-1,272,786.72

Finding the Fourth Proportional to 3,547,313.16, 5,319,848.58 and 1,272,786.72

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Solution

The fourth proportional to 3,547,313.16, 5,319,848.58 and 1,272,786.72 is: 1,908,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,313.16 : 5,319,848.58 = 1,272,786.72 : x
  2. Step 2: Convert to fraction form
    3,547,313.16/5,319,848.58 = 1,272,786.72/x
  3. Step 3: Cross multiply
    3,547,313.16x = 5,319,848.58 × 1,272,786.72
  4. Step 4: Simplify right side
    3,547,313.16x = 6,771,032,625,034.86
  5. Step 5: Solve for x
    x = 6,771,032,625,034.86/3,547,313.16
  6. Step 6: Final answer
    x = 1,908,777.80

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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.