Home / 1,779,089.61-2,453,308.59-1,521,818.19

Finding the Fourth Proportional to 1,779,089.61, 2,453,308.59 and 1,521,818.19

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Solution

The fourth proportional to 1,779,089.61, 2,453,308.59 and 1,521,818.19 is: 2,098,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,089.61 : 2,453,308.59 = 1,521,818.19 : x
  2. Step 2: Convert to fraction form
    1,779,089.61/2,453,308.59 = 1,521,818.19/x
  3. Step 3: Cross multiply
    1,779,089.61x = 2,453,308.59 × 1,521,818.19
  4. Step 4: Simplify right side
    1,779,089.61x = 3,733,489,637,945.25
  5. Step 5: Solve for x
    x = 3,733,489,637,945.25/1,779,089.61
  6. Step 6: Final answer
    x = 2,098,539.40

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Double scale
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1.5x scale

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.