Home / 2,087,031.16-3,130,393.74-666,705.88

Finding the Fourth Proportional to 2,087,031.16, 3,130,393.74 and 666,705.88

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Solution

The fourth proportional to 2,087,031.16, 3,130,393.74 and 666,705.88 is: 1,000,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,031.16 : 3,130,393.74 = 666,705.88 : x
  2. Step 2: Convert to fraction form
    2,087,031.16/3,130,393.74 = 666,705.88/x
  3. Step 3: Cross multiply
    2,087,031.16x = 3,130,393.74 × 666,705.88
  4. Step 4: Simplify right side
    2,087,031.16x = 2,087,051,913,173.19
  5. Step 5: Solve for x
    x = 2,087,051,913,173.19/2,087,031.16
  6. Step 6: Final answer
    x = 1,000,009.94

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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.