Home / 1,911,442.65-2,867,070.51-713,271.55

Finding the Fourth Proportional to 1,911,442.65, 2,867,070.51 and 713,271.55

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Solution

The fourth proportional to 1,911,442.65, 2,867,070.51 and 713,271.55 is: 1,069,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,442.65 : 2,867,070.51 = 713,271.55 : x
  2. Step 2: Convert to fraction form
    1,911,442.65/2,867,070.51 = 713,271.55/x
  3. Step 3: Cross multiply
    1,911,442.65x = 2,867,070.51 × 713,271.55
  4. Step 4: Simplify right side
    1,911,442.65x = 2,044,999,823,060.63
  5. Step 5: Solve for x
    x = 2,044,999,823,060.63/1,911,442.65
  6. Step 6: Final answer
    x = 1,069,872.45

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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.