Home / 1,897,711.65-2,618,907.48-1,038,271.95

Finding the Fourth Proportional to 1,897,711.65, 2,618,907.48 and 1,038,271.95

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Solution

The fourth proportional to 1,897,711.65, 2,618,907.48 and 1,038,271.95 is: 1,432,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,711.65 : 2,618,907.48 = 1,038,271.95 : x
  2. Step 2: Convert to fraction form
    1,897,711.65/2,618,907.48 = 1,038,271.95/x
  3. Step 3: Cross multiply
    1,897,711.65x = 2,618,907.48 × 1,038,271.95
  4. Step 4: Simplify right side
    1,897,711.65x = 2,719,138,176,129.19
  5. Step 5: Solve for x
    x = 2,719,138,176,129.19/1,897,711.65
  6. Step 6: Final answer
    x = 1,432,851.07

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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.