Home / 3,547,090.60-5,319,599.10-1,272,351.40

Finding the Fourth Proportional to 3,547,090.60, 5,319,599.10 and 1,272,351.40

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Solution

The fourth proportional to 3,547,090.60, 5,319,599.10 and 1,272,351.40 is: 1,908,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,090.60 : 5,319,599.10 = 1,272,351.40 : x
  2. Step 2: Convert to fraction form
    3,547,090.60/5,319,599.10 = 1,272,351.40/x
  3. Step 3: Cross multiply
    3,547,090.60x = 5,319,599.10 × 1,272,351.40
  4. Step 4: Simplify right side
    3,547,090.60x = 6,768,399,362,323.74
  5. Step 5: Solve for x
    x = 6,768,399,362,323.74/3,547,090.60
  6. Step 6: Final answer
    x = 1,908,155.20

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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.